120021031320120 has 192 divisors, whose sum is σ = 456665387855040. Its totient is φ = 26764271769600.

The previous prime is 120021031320109. The next prime is 120021031320139. The reversal of 120021031320120 is 21023130120021.

120021031320120 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 210 + 313 + 20 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120021031320093 and 120021031320102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580718551 + ... + 580925190.

It is an arithmetic number, because the mean of its divisors is an integer number (2378465561745).

Almost surely, 2^{120021031320120} is an apocalyptic number.

120021031320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021031320120 is an abundant number, since it is smaller than the sum of its proper divisors (336644356534920).

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

120021031320120 is a wasteful number, since it uses less digits than its factorization.

120021031320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161643806 (or 1161643799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120021031320120 its reverse (21023130120021), we get a palindrome (141044161440141).

The spelling of 120021031320120 in words is "one hundred twenty trillion, twenty-one billion, thirty-one million, three hundred twenty thousand, one hundred twenty".