120864208331 has 4 divisors (see below), whose sum is σ = 120949145952. Its totient is φ = 120779270712.

The previous prime is 120864208327. The next prime is 120864208343. The reversal of 120864208331 is 133802468021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120864208331 - 2² = 120864208327 is a prime.

It is a super-2 number, since 2×120864208331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120864208301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42466676 + ... + 42469521.

It is an arithmetic number, because the mean of its divisors is an integer number (30237286488).

Almost surely, 2^120864208331 is an apocalyptic number.

120864208331 is a deficient number, since it is larger than the sum of its proper divisors (84937621).

120864208331 is an equidigital number, since it uses as much as digits as its factorization.

120864208331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84937620.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 120864208331 in words is "one hundred twenty billion, eight hundred sixty-four million, two hundred eight thousand, three hundred thirty-one".