12996291680 has 48 divisors (see below), whose sum is σ = 32038693344. Its totient is φ = 4972492800.

The previous prime is 12996291677. The next prime is 12996291683. The reversal of 12996291680 is 8619269921.

It is an interprime number because it is at equal distance from previous prime (12996291677) and next prime (12996291683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12996291683) 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, 1762121 + ... + 1769480.

It is an arithmetic number, because the mean of its divisors is an integer number (667472778).

Almost surely, 2^12996291680 is an apocalyptic number.

12996291680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12996291680 is an abundant number, since it is smaller than the sum of its proper divisors (19042401664).

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

12996291680 is a wasteful number, since it uses less digits than its factorization.

12996291680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531639 (or 3531631 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 12996291680 in words is "twelve billion, nine hundred ninety-six million, two hundred ninety-one thousand, six hundred eighty".