120121310312 has 16 divisors (see below), whose sum is σ = 225815523840. Its totient is φ = 59903837296.

The previous prime is 120121310291. The next prime is 120121310333. The reversal of 120121310312 is 213013121021.

It is an interprime number because it is at equal distance from previous prime (120121310291) and next prime (120121310333).

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 3 ways as a sum of consecutive naturals, for example, 19598978 + ... + 19605105.

It is an arithmetic number, because the mean of its divisors is an integer number (14113470240).

Almost surely, 2^120121310312 is an apocalyptic number.

It is an amenable number.

120121310312 is a deficient number, since it is larger than the sum of its proper divisors (105694213528).

120121310312 is a wasteful number, since it uses less digits than its factorization.

120121310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39204472 (or 39204468 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120121310312 its reverse (213013121021), we get a palindrome (333134431333).

The spelling of 120121310312 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred ten thousand, three hundred twelve".