12388877608 has 16 divisors (see below), whose sum is σ = 23490148500. Its totient is φ = 6124838016.

The previous prime is 12388877587. The next prime is 12388877639. The reversal of 12388877608 is 80677888321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12215112484 + 173765124 = 110522^2 + 13182^2 .

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, 8699343 + ... + 8700766.

Almost surely, 2^12388877608 is an apocalyptic number.

It is an amenable number.

12388877608 is a deficient number, since it is larger than the sum of its proper divisors (11101270892).

12388877608 is a wasteful number, since it uses less digits than its factorization.

12388877608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400204 (or 17400200 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 58.

The spelling of 12388877608 in words is "twelve billion, three hundred eighty-eight million, eight hundred seventy-seven thousand, six hundred eight".