312504020512 has 24 divisors (see below), whose sum is σ = 617431782492. Its totient is φ = 155695948800.

The previous prime is 312504020509. The next prime is 312504020519. The reversal of 312504020512 is 215020405213.

It can be written as a sum of positive squares in 2 ways, for example, as 307319444496 + 5184576016 = 554364^2 + 72004^2 .

It is not an unprimeable number, because it can be changed into a prime (312504020519) 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, 17367789 + ... + 17385772.

Almost surely, 2^312504020512 is an apocalyptic number.

312504020512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312504020512 is a deficient number, since it is larger than the sum of its proper divisors (304927761980).

312504020512 is a wasteful number, since it uses less digits than its factorization.

312504020512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34753852 (or 34753844 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 312504020512 its reverse (215020405213), we get a palindrome (527524425725).

The spelling of 312504020512 in words is "three hundred twelve billion, five hundred four million, twenty thousand, five hundred twelve".