120999999999924 has 36 divisors (see below), whose sum is σ = 305861466474564. Its totient is φ = 40333286472192.

The previous prime is 120999999999887. The next prime is 120999999999941. The reversal of 120999999999924 is 429999999999021.

It can be written as a sum of positive squares in 2 ways, for example, as 71261792388900 + 49738207611024 = 8441670^2 + 7052532^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44794354 + ... + 47418710.

Almost surely, 2^{120999999999924} is an apocalyptic number.

It is an amenable number.

120999999999924 is an abundant number, since it is smaller than the sum of its proper divisors (184861466474640).

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

120999999999924 is a wasteful number, since it uses less digits than its factorization.

120999999999924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905104 (or 3905099 counting only the distinct ones).

The product of its (nonzero) digits is 55788550416, while the sum is 99.

The spelling of 120999999999924 in words is "one hundred twenty trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred twenty-four".