12516572196 has 24 divisors (see below), whose sum is σ = 32450372640. Its totient is φ = 4172190696.

The previous prime is 12516572191. The next prime is 12516572207. The reversal of 12516572196 is 69127561521.

It is a happy number.

12516572196 is a `hidden beast` number, since 12 + 51 + 6 + 572 + 19 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (12516572191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57946986 + ... + 57947201.

It is an arithmetic number, because the mean of its divisors is an integer number (1352098860).

Almost surely, 2^12516572196 is an apocalyptic number.

It is an amenable number.

12516572196 is an abundant number, since it is smaller than the sum of its proper divisors (19933800444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12516572196 is a wasteful number, since it uses less digits than its factorization.

12516572196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115894200 (or 115894192 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The spelling of 12516572196 in words is "twelve billion, five hundred sixteen million, five hundred seventy-two thousand, one hundred ninety-six".