120199039872 has 64 divisors (see below), whose sum is σ = 319331971200. Its totient is φ = 40059661824.

The previous prime is 120199039871. The next prime is 120199039879. The reversal of 120199039872 is 278930991021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120199039871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629629 + ... + 2674947.

It is an arithmetic number, because the mean of its divisors is an integer number (4989562050).

Almost surely, 2^120199039872 is an apocalyptic number.

120199039872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120199039872 is an abundant number, since it is smaller than the sum of its proper divisors (199132931328).

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

120199039872 is an equidigital number, since it uses as much as digits as its factorization.

120199039872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52243 (or 52231 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 120199039872 in words is "one hundred twenty billion, one hundred ninety-nine million, thirty-nine thousand, eight hundred seventy-two".