120012112320 has 112 divisors (see below), whose sum is σ = 381138123168. Its totient is φ = 31994859520.

The previous prime is 120012112279. The next prime is 120012112349. The reversal of 120012112320 is 23211210021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120012112320.

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 15 ways as a sum of consecutive naturals, for example, 4230022 + ... + 4258298.

Almost surely, 2^120012112320 is an apocalyptic number.

120012112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012112320 is an abundant number, since it is smaller than the sum of its proper divisors (261126010848).

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

120012112320 is a wasteful number, since it uses less digits than its factorization.

120012112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32718 (or 32708 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120012112320 its reverse (23211210021), we get a palindrome (143223322341).

The spelling of 120012112320 in words is "one hundred twenty billion, twelve million, one hundred twelve thousand, three hundred twenty".