12591316296 has 128 divisors (see below), whose sum is σ = 38090304000. Its totient is φ = 3830644224.

The previous prime is 12591316291. The next prime is 12591316307. The reversal of 12591316296 is 69261319521.

12591316296 is a `hidden beast` number, since 1 + 2 + 5 + 9 + 13 + 1 + 629 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12591316291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224721 + ... + 275103.

It is an arithmetic number, because the mean of its divisors is an integer number (297580500).

Almost surely, 2^12591316296 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 12591316296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19045152000).

12591316296 is an abundant number, since it is smaller than the sum of its proper divisors (25498987704).

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

12591316296 is a wasteful number, since it uses less digits than its factorization.

12591316296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500 (or 50490 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The spelling of 12591316296 in words is "twelve billion, five hundred ninety-one million, three hundred sixteen thousand, two hundred ninety-six".