12087877384 has 16 divisors (see below), whose sum is σ = 24725203920. Its totient is φ = 5494489680.

The previous prime is 12087877327. The next prime is 12087877397. The reversal of 12087877384 is 48377878021.

12087877384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12087877384² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68681034 + ... + 68681209.

It is an arithmetic number, because the mean of its divisors is an integer number (1545325245).

Almost surely, 2^12087877384 is an apocalyptic number.

It is an amenable number.

12087877384 is an abundant number, since it is smaller than the sum of its proper divisors (12637326536).

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

12087877384 is a wasteful number, since it uses less digits than its factorization.

12087877384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137362260 (or 137362256 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 12087877384 in words is "twelve billion, eighty-seven million, eight hundred seventy-seven thousand, three hundred eighty-four".