12264446656 has 56 divisors (see below), whose sum is σ = 30342571776. Its totient is φ = 4778353920.

The previous prime is 12264446639. The next prime is 12264446657. The reversal of 12264446656 is 65664446221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (12264446657) 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, 1239436 + ... + 1249291.

Almost surely, 2^12264446656 is an apocalyptic number.

12264446656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12264446656 is an abundant number, since it is smaller than the sum of its proper divisors (18078125120).

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

12264446656 is a wasteful number, since it uses less digits than its factorization.

12264446656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488757 (or 2488747 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 12264446656 in words is "twelve billion, two hundred sixty-four million, four hundred forty-six thousand, six hundred fifty-six".