12631211834 has 8 divisors (see below), whose sum is σ = 19011483540. Its totient is φ = 6294050656.

The previous prime is 12631211821. The next prime is 12631211849. The reversal of 12631211834 is 43811213621.

It can be written as a sum of positive squares in 2 ways, for example, as 11555175025 + 1076036809 = 107495^2 + 32803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12631211834.

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, 10776899 + ... + 10778070.

Almost surely, 2^12631211834 is an apocalyptic number.

12631211834 is a deficient number, since it is larger than the sum of its proper divisors (6380271706).

12631211834 is a wasteful number, since it uses less digits than its factorization.

12631211834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555264.

The product of its digits is 6912, while the sum is 32.

The spelling of 12631211834 in words is "twelve billion, six hundred thirty-one million, two hundred eleven thousand, eight hundred thirty-four".