12699660022 has 16 divisors (see below), whose sum is σ = 21832528032. Its totient is φ = 5427290880.

The previous prime is 12699660011. The next prime is 12699660047. The reversal of 12699660022 is 22006699621.

It is a super-2 number, since 2×12699660022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279929 + ... + 1289812.

It is an arithmetic number, because the mean of its divisors is an integer number (1364533002).

Almost surely, 2^12699660022 is an apocalyptic number.

12699660022 is a deficient number, since it is larger than the sum of its proper divisors (9132868010).

12699660022 is a wasteful number, since it uses less digits than its factorization.

12699660022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570103.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 12699660022 in words is "twelve billion, six hundred ninety-nine million, six hundred sixty thousand, twenty-two".