12264780864 has 56 divisors (see below), whose sum is σ = 37086365248. Its totient is φ = 3504222720.

The previous prime is 12264780809. The next prime is 12264780971. The reversal of 12264780864 is 46808746221.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561447 + ... + 4564134.

Almost surely, 2^12264780864 is an apocalyptic number.

12264780864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12264780864 is an abundant number, since it is smaller than the sum of its proper divisors (24821584384).

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

12264780864 is an equidigital number, since it uses as much as digits as its factorization.

12264780864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125603 (or 9125593 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 12264780864 in words is "twelve billion, two hundred sixty-four million, seven hundred eighty thousand, eight hundred sixty-four".