12172525162 has 32 divisors (see below), whose sum is σ = 21583872000. Its totient is φ = 5038305840.

The previous prime is 12172525153. The next prime is 12172525171. The reversal of 12172525162 is 26152527121.

It is an interprime number because it is at equal distance from previous prime (12172525153) and next prime (12172525171).

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, 188463 + ... + 244669.

It is an arithmetic number, because the mean of its divisors is an integer number (674496000).

Almost surely, 2^12172525162 is an apocalyptic number.

12172525162 is a deficient number, since it is larger than the sum of its proper divisors (9411346838).

12172525162 is a wasteful number, since it uses less digits than its factorization.

12172525162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56746.

The product of its digits is 16800, while the sum is 34.

The spelling of 12172525162 in words is "twelve billion, one hundred seventy-two million, five hundred twenty-five thousand, one hundred sixty-two".