Counting to a million, billion, and trillion would take progressively longer as the numbers get larger. Here are some estimates of how long it would take to count to each of these numbers at a rate of one number per second:

• Counting to a million: It would take about 11.6 days to count to a million if you counted one number per second without stopping.
• Counting to a billion: It would take about 31.7 years to count to a billion if you counted one number per second without stopping.
• Counting to a trillion: It would take about 31,709.8 years to count to a trillion if you counted one number per second without stopping.

These are just estimates, and the actual time it would take to count to these numbers would depend on various factors such as your counting speed and how long you were able to sustain that speed. It’s also worth noting that these numbers are very large, and it’s unlikely that you would ever need to count to them in practice.