12864682506 has 32 divisors (see below), whose sum is σ = 28913270400. Its totient is φ = 3786260544.

The previous prime is 12864682417. The next prime is 12864682517. The reversal of 12864682506 is 60528646821.

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, 3583681 + ... + 3587268.

It is an arithmetic number, because the mean of its divisors is an integer number (903539700).

Almost surely, 2^12864682506 is an apocalyptic number.

12864682506 is an abundant number, since it is smaller than the sum of its proper divisors (16048587894).

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

12864682506 is a wasteful number, since it uses less digits than its factorization.

12864682506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170990.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 12864682506 in words is "twelve billion, eight hundred sixty-four million, six hundred eighty-two thousand, five hundred six".