12641287802 has 32 divisors (see below), whose sum is σ = 22284460800. Its totient is φ = 5302249920.

The previous prime is 12641287793. The next prime is 12641287817. The reversal of 12641287802 is 20878214621.

It is a self number, because there is not a number n which added to its sum of digits gives 12641287802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165199 + ... + 1175997.

It is an arithmetic number, because the mean of its divisors is an integer number (696389400).

Almost surely, 2^12641287802 is an apocalyptic number.

12641287802 is a deficient number, since it is larger than the sum of its proper divisors (9643172998).

12641287802 is a wasteful number, since it uses less digits than its factorization.

12641287802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14918.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 12641287802 in words is "twelve billion, six hundred forty-one million, two hundred eighty-seven thousand, eight hundred two".