12465834768 has 80 divisors (see below), whose sum is σ = 37337312640. Its totient is φ = 3974610816.

The previous prime is 12465834721. The next prime is 12465834893. The reversal of 12465834768 is 86743856421.

It is a happy number.

12465834768 is a `hidden beast` number, since 1 + 2 + 465 + 83 + 47 + 68 = 666.

It is a super-2 number, since 2×12465834768² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 617371 + ... + 637242.

It is an arithmetic number, because the mean of its divisors is an integer number (466716408).

Almost surely, 2^12465834768 is an apocalyptic number.

12465834768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12465834768 is an abundant number, since it is smaller than the sum of its proper divisors (24871477872).

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

12465834768 is a wasteful number, since it uses less digits than its factorization.

12465834768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254653 (or 1254641 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 12465834768 in words is "twelve billion, four hundred sixty-five million, eight hundred thirty-four thousand, seven hundred sixty-eight".