12120374443188 has 72 divisors (see below), whose sum is σ = 32088349484800. Its totient is φ = 3554361993600.

The previous prime is 12120374443141. The next prime is 12120374443213. The reversal of 12120374443188 is 88134447302121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134589913 + ... + 134679936.

Almost surely, 2^{12120374443188} is an apocalyptic number.

It is an amenable number.

12120374443188 is an abundant number, since it is smaller than the sum of its proper divisors (19967975041612).

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

12120374443188 is a wasteful number, since it uses less digits than its factorization.

12120374443188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269269909 (or 269269896 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 12120374443188 in words is "twelve trillion, one hundred twenty billion, three hundred seventy-four million, four hundred forty-three thousand, one hundred eighty-eight".