613512016212 has 12 divisors (see below), whose sum is σ = 1431528037856. Its totient is φ = 204504005400.

The previous prime is 613512016211. The next prime is 613512016253. The reversal of 613512016212 is 212610215316.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 613512016212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613512016211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25563000664 + ... + 25563000687.

Almost surely, 2^613512016212 is an apocalyptic number.

It is an amenable number.

613512016212 is an abundant number, since it is smaller than the sum of its proper divisors (818016021644).

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

613512016212 is a wasteful number, since it uses less digits than its factorization.

613512016212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51126001358 (or 51126001356 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 613512016212 in words is "six hundred thirteen billion, five hundred twelve million, sixteen thousand, two hundred twelve".