120556245021612 has 96 divisors (see below), whose sum is σ = 289688555520000. Its totient is φ = 38992699360512.

The previous prime is 120556245021581. The next prime is 120556245021623. The reversal of 120556245021612 is 216120542655021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1657800589 + ... + 1657873307.

It is an arithmetic number, because the mean of its divisors is an integer number (3017589120000).

Almost surely, 2^{120556245021612} is an apocalyptic number.

120556245021612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120556245021612 is an abundant number, since it is smaller than the sum of its proper divisors (169132310498388).

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

120556245021612 is a wasteful number, since it uses less digits than its factorization.

120556245021612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82895 (or 82893 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 120556245021612 its reverse (216120542655021), we get a palindrome (336676787676633).

The spelling of 120556245021612 in words is "one hundred twenty trillion, five hundred fifty-six billion, two hundred forty-five million, twenty-one thousand, six hundred twelve".