512259391412 has 6 divisors (see below), whose sum is σ = 896453934978. Its totient is φ = 256129695704.

The previous prime is 512259391403. The next prime is 512259391421. The reversal of 512259391412 is 214193952215.

It is an interprime number because it is at equal distance from previous prime (512259391403) and next prime (512259391421).

It can be written as a sum of positive squares in only one way, i.e., 330848137636 + 181411253776 = 575194^2 + 425924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64032423923 + ... + 64032423930.

It is an arithmetic number, because the mean of its divisors is an integer number (149408989163).

Almost surely, 2^512259391412 is an apocalyptic number.

It is an amenable number.

512259391412 is a deficient number, since it is larger than the sum of its proper divisors (384194543566).

512259391412 is a wasteful number, since it uses less digits than its factorization.

512259391412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128064847857 (or 128064847855 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The spelling of 512259391412 in words is "five hundred twelve billion, two hundred fifty-nine million, three hundred ninety-one thousand, four hundred twelve".