12107399942512 has 80 divisors (see below), whose sum is σ = 27709528476672. Its totient is φ = 5017297132800.

The previous prime is 12107399942359. The next prime is 12107399942549. The reversal of 12107399942512 is 21524999370121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13418739 + ... + 14292562.

Almost surely, 2^{12107399942512} is an apocalyptic number.

It is an amenable number.

12107399942512 is an abundant number, since it is smaller than the sum of its proper divisors (15602128534160).

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

12107399942512 is a wasteful number, since it uses less digits than its factorization.

12107399942512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27711446 (or 27711440 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 12107399942512 in words is "twelve trillion, one hundred seven billion, three hundred ninety-nine million, nine hundred forty-two thousand, five hundred twelve".