It is a weak prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 212956592395573 is an apocalyptic number.
It is an amenable number.
12956592395573 is an equidigital number, since it uses as much as digits as its factorization.
12956592395573 is an odious number, because the sum of its binary digits is odd.
The spelling of 12956592395573 in words is "twelve trillion, nine hundred fifty-six billion, five hundred ninety-two million, three hundred ninety-five thousand, five hundred seventy-three".