12500616172 has 48 divisors (see below), whose sum is σ = 24494811264. Its totient is φ = 5532912000.

The previous prime is 12500616151. The next prime is 12500616217. The reversal of 12500616172 is 27161600521.

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, 616272 + ... + 636232.

It is an arithmetic number, because the mean of its divisors is an integer number (510308568).

Almost surely, 2^12500616172 is an apocalyptic number.

It is an amenable number.

12500616172 is a deficient number, since it is larger than the sum of its proper divisors (11994195092).

12500616172 is a wasteful number, since it uses less digits than its factorization.

12500616172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350 (or 20348 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 12500616172 in words is "twelve billion, five hundred million, six hundred sixteen thousand, one hundred seventy-two".