512221500252352 has 28 divisors (see below), whose sum is σ = 1108843134070536. Its totient is φ = 232827954659840.

The previous prime is 512221500252347. The next prime is 512221500252373. The reversal of 512221500252352 is 253252005122215.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363793678453 + ... + 363793679860.

Almost surely, 2^{512221500252352} is an apocalyptic number.

It is an amenable number.

512221500252352 is an abundant number, since it is smaller than the sum of its proper divisors (596621633818184).

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

512221500252352 is a wasteful number, since it uses less digits than its factorization.

512221500252352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727587358336 (or 727587358326 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 512221500252352 its reverse (253252005122215), we get a palindrome (765473505374567).

The spelling of 512221500252352 in words is "five hundred twelve trillion, two hundred twenty-one billion, five hundred million, two hundred fifty-two thousand, three hundred fifty-two".