120012012012120 has 128 divisors (see below), whose sum is σ = 381217811927040. Its totient is φ = 30120410142720.

The previous prime is 120012012012119. The next prime is 120012012012173. The reversal of 120012012012120 is 21210210210021.

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 120012012012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420021705 + ... + 420307335.

It is an arithmetic number, because the mean of its divisors is an integer number (2978264155680).

Almost surely, 2^{120012012012120} is an apocalyptic number.

120012012012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012012012120 is an abundant number, since it is smaller than the sum of its proper divisors (261205799914920).

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

120012012012120 is a wasteful number, since it uses less digits than its factorization.

120012012012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491625 (or 491621 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120012012012120 its reverse (21210210210021), we get a palindrome (141222222222141).

The spelling of 120012012012120 in words is "one hundred twenty trillion, twelve billion, twelve million, twelve thousand, one hundred twenty".