12551504012 has 6 divisors (see below), whose sum is σ = 21965132028. Its totient is φ = 6275752004.

The previous prime is 12551503999. The next prime is 12551504051. The reversal of 12551504012 is 21040515521.

It is a super-2 number, since 2×12551504012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568937998 + ... + 1568938005.

It is an arithmetic number, because the mean of its divisors is an integer number (3660855338).

Almost surely, 2^12551504012 is an apocalyptic number.

It is an amenable number.

12551504012 is a deficient number, since it is larger than the sum of its proper divisors (9413628016).

12551504012 is a wasteful number, since it uses less digits than its factorization.

12551504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137876007 (or 3137876005 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12551504012 in words is "twelve billion, five hundred fifty-one million, five hundred four thousand, twelve".