120012020320 has 24 divisors (see below), whose sum is σ = 283528398384. Its totient is φ = 48004808064.

The previous prime is 120012020311. The next prime is 120012020333. The reversal of 120012020320 is 23020210021.

It is a self number, because there is not a number n which added to its sum of digits gives 120012020320.

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 3 ways as a sum of consecutive naturals, for example, 375037404 + ... + 375037723.

It is an arithmetic number, because the mean of its divisors is an integer number (11813683266).

Almost surely, 2^120012020320 is an apocalyptic number.

120012020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012020320 is an abundant number, since it is smaller than the sum of its proper divisors (163516378064).

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

120012020320 is an equidigital number, since it uses as much as digits as its factorization.

120012020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750075142 (or 750075134 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 120012020320 its reverse (23020210021), we get a palindrome (143032230341).

The spelling of 120012020320 in words is "one hundred twenty billion, twelve million, twenty thousand, three hundred twenty".