12862318656 has 112 divisors (see below), whose sum is σ = 37259166528. Its totient is φ = 3883622400.

The previous prime is 12862318639. The next prime is 12862318673. The reversal of 12862318656 is 65681326821.

It is a happy number.

12862318656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12862318639) and next prime (12862318673).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582636 + ... + 604308.

Almost surely, 2^12862318656 is an apocalyptic number.

12862318656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12862318656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18629583264).

12862318656 is an abundant number, since it is smaller than the sum of its proper divisors (24396847872).

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

12862318656 is a wasteful number, since it uses less digits than its factorization.

12862318656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21980 (or 21970 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 12862318656 in words is "twelve billion, eight hundred sixty-two million, three hundred eighteen thousand, six hundred fifty-six".