12256170157 has 16 divisors (see below), whose sum is σ = 15286067712. Its totient is φ = 9546732720.

The previous prime is 12256170151. The next prime is 12256170161. The reversal of 12256170157 is 75107165221.

It is not a de Polignac number, because 12256170157 - 2¹⁹ = 12255645869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256170151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190918 + ... + 246904.

It is an arithmetic number, because the mean of its divisors is an integer number (955379232).

Almost surely, 2^12256170157 is an apocalyptic number.

It is an amenable number.

12256170157 is a deficient number, since it is larger than the sum of its proper divisors (3029897555).

12256170157 is a wasteful number, since it uses less digits than its factorization.

12256170157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58848.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 12256170157 in words is "twelve billion, two hundred fifty-six million, one hundred seventy thousand, one hundred fifty-seven".