12956245792 has 96 divisors (see below), whose sum is σ = 29690599680. Its totient is φ = 5450388480.

The previous prime is 12956245781. The next prime is 12956245831. The reversal of 12956245792 is 29754265921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12119434 + ... + 12120502.

It is an arithmetic number, because the mean of its divisors is an integer number (309277080).

Almost surely, 2^12956245792 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 12956245792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14845299840).

12956245792 is an abundant number, since it is smaller than the sum of its proper divisors (16734353888).

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

12956245792 is a wasteful number, since it uses less digits than its factorization.

12956245792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2026 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The spelling of 12956245792 in words is "twelve billion, nine hundred fifty-six million, two hundred forty-five thousand, seven hundred ninety-two".