120021313120120 has 64 divisors (see below), whose sum is σ = 286653363540480. Its totient is φ = 45070679402496.

The previous prime is 120021313120003. The next prime is 120021313120127. The reversal of 120021313120120 is 21021313120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021313120127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222024664 + ... + 222564583.

It is an arithmetic number, because the mean of its divisors is an integer number (4478958805320).

Almost surely, 2^{120021313120120} is an apocalyptic number.

120021313120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021313120120 is an abundant number, since it is smaller than the sum of its proper divisors (166632050420360).

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

120021313120120 is a wasteful number, since it uses less digits than its factorization.

120021313120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444589672 (or 444589668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120021313120120 its reverse (21021313120021), we get a palindrome (141042626240141).

Subtracting from 120021313120120 its reverse (21021313120021), we obtain a palindrome (99000000000099).

The spelling of 120021313120120 in words is "one hundred twenty trillion, twenty-one billion, three hundred thirteen million, one hundred twenty thousand, one hundred twenty".