512313211361020 has 48 divisors (see below), whose sum is σ = 1078852239148320. Its totient is φ = 204355242740736.

The previous prime is 512313211361011. The next prime is 512313211361041. The reversal of 512313211361020 is 20163112313215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13668664 + ... + 34806016.

It is an arithmetic number, because the mean of its divisors is an integer number (22476088315590).

Almost surely, 2^{512313211361020} is an apocalyptic number.

It is an amenable number.

512313211361020 is an abundant number, since it is smaller than the sum of its proper divisors (566539027787300).

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

512313211361020 is a wasteful number, since it uses less digits than its factorization.

512313211361020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140734 (or 21140732 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 512313211361020 its reverse (20163112313215), we get a palindrome (532476323674235).

The spelling of 512313211361020 in words is "five hundred twelve trillion, three hundred thirteen billion, two hundred eleven million, three hundred sixty-one thousand, twenty".