512531403012 has 48 divisors (see below), whose sum is σ = 1386558391680. Its totient is φ = 163415808864.

The previous prime is 512531402987. The next prime is 512531403061. The reversal of 512531403012 is 210304135215.

512531403012 is a `hidden beast` number, since 5 + 1 + 253 + 1 + 403 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103164063 + ... + 103169030.

It is an arithmetic number, because the mean of its divisors is an integer number (28886633160).

Almost surely, 2^512531403012 is an apocalyptic number.

It is an amenable number.

512531403012 is an abundant number, since it is smaller than the sum of its proper divisors (874026988668).

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

512531403012 is a wasteful number, since it uses less digits than its factorization.

512531403012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206333129 (or 206333121 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 512531403012 its reverse (210304135215), we get a palindrome (722835538227).

The spelling of 512531403012 in words is "five hundred twelve billion, five hundred thirty-one million, four hundred three thousand, twelve".