12107913988 has 6 divisors (see below), whose sum is σ = 21188849486. Its totient is φ = 6053956992.

The previous prime is 12107913967. The next prime is 12107914031. The reversal of 12107913988 is 88931970121.

It can be written as a sum of positive squares in only one way, i.e., 11804387904 + 303526084 = 108648^2 + 17422^2 .

It is a super-2 number, since 2×12107913988² (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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513489245 + ... + 1513489252.

Almost surely, 2^12107913988 is an apocalyptic number.

It is an amenable number.

12107913988 is a deficient number, since it is larger than the sum of its proper divisors (9080935498).

12107913988 is a wasteful number, since it uses less digits than its factorization.

12107913988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026978501 (or 3026978499 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 12107913988 in words is "twelve billion, one hundred seven million, nine hundred thirteen thousand, nine hundred eighty-eight".