12646291710268 has 24 divisors (see below), whose sum is σ = 22894475637600. Its totient is φ = 6105019182528.

The previous prime is 12646291710263. The next prime is 12646291710301. The reversal of 12646291710268 is 86201719264621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12646291710263) 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, 7786513 + ... + 9269431.

It is an arithmetic number, because the mean of its divisors is an integer number (953936484900).

Almost surely, 2^{12646291710268} is an apocalyptic number.

It is an amenable number.

12646291710268 is a deficient number, since it is larger than the sum of its proper divisors (10248183927332).

12646291710268 is a wasteful number, since it uses less digits than its factorization.

12646291710268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556469 (or 1556467 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 12646291710268 in words is "twelve trillion, six hundred forty-six billion, two hundred ninety-one million, seven hundred ten thousand, two hundred sixty-eight".