12318972508 has 6 divisors (see below), whose sum is σ = 21558201896. Its totient is φ = 6159486252.

The previous prime is 12318972499. The next prime is 12318972527. The reversal of 12318972508 is 80527981321.

It is a happy number.

12318972508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1539871560 + ... + 1539871567.

Almost surely, 2^12318972508 is an apocalyptic number.

It is an amenable number.

12318972508 is a deficient number, since it is larger than the sum of its proper divisors (9239229388).

12318972508 is a wasteful number, since it uses less digits than its factorization.

12318972508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079743131 (or 3079743129 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 12318972508 in words is "twelve billion, three hundred eighteen million, nine hundred seventy-two thousand, five hundred eight".