12087588864 has 96 divisors (see below), whose sum is σ = 34704830160. Its totient is φ = 3719233536.

The previous prime is 12087588859. The next prime is 12087588907. The reversal of 12087588864 is 46888578021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12087588864² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 4204 + ... + 155540.

Almost surely, 2^12087588864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12087588864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17352415080).

12087588864 is an abundant number, since it is smaller than the sum of its proper divisors (22617241296).

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

12087588864 is a wasteful number, since it uses less digits than its factorization.

12087588864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151375 (or 151355 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 12087588864 in words is "twelve billion, eighty-seven million, five hundred eighty-eight thousand, eight hundred sixty-four".