12896320722 has 16 divisors (see below), whose sum is σ = 25797142272. Its totient is φ = 4298023440.

The previous prime is 12896320709. The next prime is 12896320727. The reversal of 12896320722 is 22702369821.

It is not an unprimeable number, because it can be changed into a prime (12896320727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149698 + ... + 219549.

It is an arithmetic number, because the mean of its divisors is an integer number (1612321392).

Almost surely, 2^12896320722 is an apocalyptic number.

12896320722 is an abundant number, since it is smaller than the sum of its proper divisors (12900821550).

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

12896320722 is a wasteful number, since it uses less digits than its factorization.

12896320722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375073.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 12896320722 in words is "twelve billion, eight hundred ninety-six million, three hundred twenty thousand, seven hundred twenty-two".