12636972711 has 144 divisors (see below), whose sum is σ = 21731067904. Its totient is φ = 7056720000.

The previous prime is 12636972703. The next prime is 12636972737. The reversal of 12636972711 is 11727963621.

12636972711 is a `hidden beast` number, since 1 + 2 + 636 + 9 + 7 + 2 + 7 + 1 + 1 = 666.

It is not a de Polignac number, because 12636972711 - 2³ = 12636972703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636972791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 83688486 + ... + 83688636.

Almost surely, 2^12636972711 is an apocalyptic number.

12636972711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12636972711 is a deficient number, since it is larger than the sum of its proper divisors (9094095193).

12636972711 is a wasteful number, since it uses less digits than its factorization.

12636972711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 300 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The spelling of 12636972711 in words is "twelve billion, six hundred thirty-six million, nine hundred seventy-two thousand, seven hundred eleven".