12312012223020 has 24 divisors (see below), whose sum is σ = 34473634224624. Its totient is φ = 3283203259456.

The previous prime is 12312012223013. The next prime is 12312012223039. The reversal of 12312012223020 is 2032221021321.

12312012223020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 102600101799 + ... + 102600101918.

It is an arithmetic number, because the mean of its divisors is an integer number (1436401426026).

Almost surely, 2^{12312012223020} is an apocalyptic number.

12312012223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312012223020 is an abundant number, since it is smaller than the sum of its proper divisors (22161622001604).

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

12312012223020 is a wasteful number, since it uses less digits than its factorization.

12312012223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205200203729 (or 205200203727 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12312012223020 its reverse (2032221021321), we get a palindrome (14344233244341).

The spelling of 12312012223020 in words is "twelve trillion, three hundred twelve billion, twelve million, two hundred twenty-three thousand, twenty".