121662874592 has 36 divisors (see below), whose sum is σ = 278629711920. Its totient is φ = 52141231296.

The previous prime is 121662874561. The next prime is 121662874601. The reversal of 121662874592 is 295478266121.

121662874592 is digitally balanced in base 3, 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 in 5 ways as a sum of consecutive naturals, for example, 38793992 + ... + 38797127.

It is an arithmetic number, because the mean of its divisors is an integer number (7739714220).

Almost surely, 2^121662874592 is an apocalyptic number.

It is an amenable number.

121662874592 is an abundant number, since it is smaller than the sum of its proper divisors (156966837328).

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

121662874592 is an equidigital number, since it uses as much as digits as its factorization.

121662874592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77591143 (or 77591128 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 121662874592 in words is "one hundred twenty-one billion, six hundred sixty-two million, eight hundred seventy-four thousand, five hundred ninety-two".