12996651276 has 72 divisors (see below), whose sum is σ = 37601351424. Its totient is φ = 3707843040.

The previous prime is 12996651271. The next prime is 12996651289. The reversal of 12996651276 is 67215669921.

It is not an unprimeable number, because it can be changed into a prime (12996651271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134361 + ... + 209871.

It is an arithmetic number, because the mean of its divisors is an integer number (522240992).

Almost surely, 2^12996651276 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 12996651276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18800675712).

12996651276 is an abundant number, since it is smaller than the sum of its proper divisors (24604700148).

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

12996651276 is a wasteful number, since it uses less digits than its factorization.

12996651276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76211 (or 76206 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 12996651276 in words is "twelve billion, nine hundred ninety-six million, six hundred fifty-one thousand, two hundred seventy-six".