120856242012 has 48 divisors (see below), whose sum is σ = 317557761024. Its totient is φ = 35441712000.

The previous prime is 120856241971. The next prime is 120856242047. The reversal of 120856242012 is 210242658021.

120856242012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120856242012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14763289 + ... + 14771472.

It is an arithmetic number, because the mean of its divisors is an integer number (6615786688).

Almost surely, 2^120856242012 is an apocalyptic number.

120856242012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120856242012 is an abundant number, since it is smaller than the sum of its proper divisors (196701519012).

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

120856242012 is a wasteful number, since it uses less digits than its factorization.

120856242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534810 (or 29534808 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 120856242012 in words is "one hundred twenty billion, eight hundred fifty-six million, two hundred forty-two thousand, twelve".