12085580964 has 12 divisors (see below), whose sum is σ = 28199688944. Its totient is φ = 4028526984.

The previous prime is 12085580957. The next prime is 12085580977. The reversal of 12085580964 is 46908558021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12085580964² (a number of 21 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, 503565862 + ... + 503565885.

Almost surely, 2^12085580964 is an apocalyptic number.

It is an amenable number.

12085580964 is an abundant number, since it is smaller than the sum of its proper divisors (16114107980).

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

12085580964 is a wasteful number, since it uses less digits than its factorization.

12085580964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007131754 (or 1007131752 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 12085580964 in words is "twelve billion, eighty-five million, five hundred eighty thousand, nine hundred sixty-four".