120121302112 has 48 divisors (see below), whose sum is σ = 272062893312. Its totient is φ = 51139612800.

The previous prime is 120121302101. The next prime is 120121302157. The reversal of 120121302112 is 211203121021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741858 + ... + 1809505.

It is an arithmetic number, because the mean of its divisors is an integer number (5667976944).

Almost surely, 2^120121302112 is an apocalyptic number.

It is an amenable number.

120121302112 is an abundant number, since it is smaller than the sum of its proper divisors (151941591200).

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

120121302112 is a wasteful number, since it uses less digits than its factorization.

120121302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551531 (or 3551523 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120121302112 its reverse (211203121021), we get a palindrome (331324423133).

The spelling of 120121302112 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred two thousand, one hundred twelve".