12996261515304 has 96 divisors (see below), whose sum is σ = 35780395622400. Its totient is φ = 4260453863040.

The previous prime is 12996261515261. The next prime is 12996261515309. The reversal of 12996261515304 is 40351516269921.

It is a happy number.

12996261515304 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 6 + 2 + 615 + 15 + 3 + 0 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (12996261515309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30705097 + ... + 31125479.

It is an arithmetic number, because the mean of its divisors is an integer number (372712454400).

Almost surely, 2^{12996261515304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12996261515304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17890197811200).

12996261515304 is an abundant number, since it is smaller than the sum of its proper divisors (22784134107096).

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

12996261515304 is a wasteful number, since it uses less digits than its factorization.

12996261515304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427495 (or 427488 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 12996261515304 in words is "twelve trillion, nine hundred ninety-six billion, two hundred sixty-one million, five hundred fifteen thousand, three hundred four".