312653645020 has 48 divisors (see below), whose sum is σ = 685172275200. Its totient is φ = 119614752576.

The previous prime is 312653644999. The next prime is 312653645021. The reversal of 312653645020 is 20546356213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312653645021) 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 15 ways as a sum of consecutive naturals, for example, 10548181 + ... + 10577779.

It is an arithmetic number, because the mean of its divisors is an integer number (14274422400).

Almost surely, 2^312653645020 is an apocalyptic number.

It is an amenable number.

312653645020 is an abundant number, since it is smaller than the sum of its proper divisors (372518630180).

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

312653645020 is a wasteful number, since it uses less digits than its factorization.

312653645020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52594 (or 52592 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 312653645020 in words is "three hundred twelve billion, six hundred fifty-three million, six hundred forty-five thousand, twenty".