257158562090212 has 48 divisors (see below), whose sum is σ = 462577595639040. Its totient is φ = 125056273724928.

The previous prime is 257158562090167. The next prime is 257158562090233. The reversal of 257158562090212 is 212090265851752.

It is a super-2 number, since 2×257158562090212² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16270723 + ... + 27911530.

It is an arithmetic number, because the mean of its divisors is an integer number (9637033242480).

Almost surely, 2^{257158562090212} is an apocalyptic number.

It is an amenable number.

257158562090212 is a deficient number, since it is larger than the sum of its proper divisors (205419033548828).

257158562090212 is a wasteful number, since it uses less digits than its factorization.

257158562090212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44182612 (or 44182610 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 257158562090212 in words is "two hundred fifty-seven trillion, one hundred fifty-eight billion, five hundred sixty-two million, ninety thousand, two hundred twelve".