Life span in 1st aara of avsarpini kaal
In Jain cosmology, the 1st ara of Avasarpini kaal is called Susham-Susham. In this era, the maximum lifespan is 3 palyopam. This is an extremely vast and immeasurable time unit in Jain tradition.
If you want, I can also give the lifespan of all 6 aras in Avasarpini kaal.