120012331 has 4 divisors (see below), whose sum is σ = 120085992. Its totient is φ = 119938672.

The previous prime is 120012307. The next prime is 120012337. The reversal of 120012331 is 133210021.

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 120012331 - 2¹⁷ = 119881259 is a prime.

It is a super-2 number, since 2×120012331² = 28805919184107122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34330 + ... + 37663.

It is an arithmetic number, because the mean of its divisors is an integer number (30021498).

Almost surely, 2^120012331 is an apocalyptic number.

120012331 is a deficient number, since it is larger than the sum of its proper divisors (73661).

120012331 is an equidigital number, since it uses as much as digits as its factorization.

120012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73660.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120012331 is about 10955.0139662166. The cubic root of 120012331 is about 493.2593092103.

Adding to 120012331 its reverse (133210021), we get a palindrome (253222352).

It can be divided in two parts, 1200 and 12331, that added together give a palindrome (13531).

The spelling of 120012331 in words is "one hundred twenty million, twelve thousand, three hundred thirty-one".