120312011331988 has 24 divisors (see below), whose sum is σ = 240640427059200. Its totient is φ = 51558775343328.

The previous prime is 120312011331949. The next prime is 120312011331997. The reversal of 120312011331988 is 889133110213021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146049748 + ... + 146871211.

It is an arithmetic number, because the mean of its divisors is an integer number (10026684460800).

Almost surely, 2^{120312011331988} is an apocalyptic number.

It is an amenable number.

120312011331988 is an abundant number, since it is smaller than the sum of its proper divisors (120328415727212).

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

120312011331988 is a wasteful number, since it uses less digits than its factorization.

120312011331988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292935639 (or 292935637 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 120312011331988 in words is "one hundred twenty trillion, three hundred twelve billion, eleven million, three hundred thirty-one thousand, nine hundred eighty-eight".