120412423231 has 4 divisors (see below), whose sum is σ = 121936631200. Its totient is φ = 118888215264.

The previous prime is 120412423213. The next prime is 120412423237. The reversal of 120412423231 is 132324214021.

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 120412423231 - 2²³ = 120404034623 is a prime.

It is a super-2 number, since 2×120412423231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120412423196 and 120412423205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120412423237) 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, 762103866 + ... + 762104023.

It is an arithmetic number, because the mean of its divisors is an integer number (30484157800).

Almost surely, 2^120412423231 is an apocalyptic number.

120412423231 is a deficient number, since it is larger than the sum of its proper divisors (1524207969).

120412423231 is an equidigital number, since it uses as much as digits as its factorization.

120412423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524207968.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 120412423231 its reverse (132324214021), we get a palindrome (252736637252).

The spelling of 120412423231 in words is "one hundred twenty billion, four hundred twelve million, four hundred twenty-three thousand, two hundred thirty-one".