12699090670864 has 40 divisors (see below), whose sum is σ = 26870340313152. Its totient is φ = 5778567795840.

The previous prime is 12699090670829. The next prime is 12699090670879. The reversal of 12699090670864 is 46807609099621.

It is a super-2 number, since 2×12699090670864² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12699090670864.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429938194 + ... + 429967729.

Almost surely, 2^{12699090670864} is an apocalyptic number.

It is an amenable number.

12699090670864 is an abundant number, since it is smaller than the sum of its proper divisors (14171249642288).

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

12699090670864 is a wasteful number, since it uses less digits than its factorization.

12699090670864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859906015 (or 859906009 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 12699090670864 in words is "twelve trillion, six hundred ninety-nine billion, ninety million, six hundred seventy thousand, eight hundred sixty-four".