312120124320 has 48 divisors (see below), whose sum is σ = 983178393120. Its totient is φ = 83232033024.

The previous prime is 312120124313. The next prime is 312120124331. The reversal of 312120124320 is 23421021213.

It is a tau number, because it is divible by the number of its divisors (48).

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, 325124650 + ... + 325125609.

It is an arithmetic number, because the mean of its divisors is an integer number (20482883190).

Almost surely, 2^312120124320 is an apocalyptic number.

312120124320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312120124320 is an abundant number, since it is smaller than the sum of its proper divisors (671058268800).

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

312120124320 is a wasteful number, since it uses less digits than its factorization.

312120124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650250277 (or 650250269 counting only the distinct ones).

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

Adding to 312120124320 its reverse (23421021213), we get a palindrome (335541145533).

The spelling of 312120124320 in words is "three hundred twelve billion, one hundred twenty million, one hundred twenty-four thousand, three hundred twenty".