312463515612 has 24 divisors (see below), whose sum is σ = 760780734336. Its totient is φ = 99626048368.

The previous prime is 312463515599. The next prime is 312463515613. The reversal of 312463515612 is 216515364213.

It is a happy number.

It is a super-2 number, since 2×312463515612² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312463515613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566056818 + ... + 566057369.

It is an arithmetic number, because the mean of its divisors is an integer number (31699197264).

Almost surely, 2^312463515612 is an apocalyptic number.

It is an amenable number.

312463515612 is an abundant number, since it is smaller than the sum of its proper divisors (448317218724).

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

312463515612 is a wasteful number, since it uses less digits than its factorization.

312463515612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132114217 (or 1132114215 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

Adding to 312463515612 its reverse (216515364213), we get a palindrome (528978879825).

The spelling of 312463515612 in words is "three hundred twelve billion, four hundred sixty-three million, five hundred fifteen thousand, six hundred twelve".