12699156253672 has 16 divisors (see below), whose sum is σ = 27212477686560. Its totient is φ = 5442495537264.

The previous prime is 12699156253639. The next prime is 12699156253709. The reversal of 12699156253672 is 27635265199621.

It is a happy number.

It is a super-2 number, since 2×12699156253672² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113385323638 + ... + 113385323749.

It is an arithmetic number, because the mean of its divisors is an integer number (1700779855410).

Almost surely, 2^{12699156253672} is an apocalyptic number.

It is an amenable number.

12699156253672 is an abundant number, since it is smaller than the sum of its proper divisors (14513321432888).

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

12699156253672 is a wasteful number, since it uses less digits than its factorization.

12699156253672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226770647400 (or 226770647396 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 64.

The spelling of 12699156253672 in words is "twelve trillion, six hundred ninety-nine billion, one hundred fifty-six million, two hundred fifty-three thousand, six hundred seventy-two".