120121120992 has 24 divisors (see below), whose sum is σ = 315317942856. Its totient is φ = 40040373632.

The previous prime is 120121120979. The next prime is 120121121011. The reversal of 120121120992 is 299021121021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625630743 + ... + 625630934.

It is an arithmetic number, because the mean of its divisors is an integer number (13138247619).

Almost surely, 2^120121120992 is an apocalyptic number.

120121120992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120121120992 is an abundant number, since it is smaller than the sum of its proper divisors (195196821864).

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

120121120992 is a wasteful number, since it uses less digits than its factorization.

120121120992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251261690 (or 1251261682 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 120121120992 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, nine hundred ninety-two".