513531141523212 has 24 divisors (see below), whose sum is σ = 1198239760678912. Its totient is φ = 171176985680400.

The previous prime is 513531141523181. The next prime is 513531141523219. The reversal of 513531141523212 is 212325141135315.

It is not an unprimeable number, because it can be changed into a prime (513531141523219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37943637 + ... + 49666707.

Almost surely, 2^{513531141523212} is an apocalyptic number.

It is an amenable number.

513531141523212 is an abundant number, since it is smaller than the sum of its proper divisors (684708619155700).

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

513531141523212 is a wasteful number, since it uses less digits than its factorization.

513531141523212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373509 (or 15373507 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

Adding to 513531141523212 its reverse (212325141135315), we get a palindrome (725856282658527).

The spelling of 513531141523212 in words is "five hundred thirteen trillion, five hundred thirty-one billion, one hundred forty-one million, five hundred twenty-three thousand, two hundred twelve".