12660908712 has 64 divisors (see below), whose sum is σ = 33658260480. Its totient is φ = 3954972672.

The previous prime is 12660908699. The next prime is 12660908737. The reversal of 12660908712 is 21780906621.

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, 28473 + ... + 161655.

It is an arithmetic number, because the mean of its divisors is an integer number (525910320).

Almost surely, 2^12660908712 is an apocalyptic number.

12660908712 is a gapful number since it is divisible by the number (12) 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 12660908712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16829130240).

12660908712 is an abundant number, since it is smaller than the sum of its proper divisors (20997351768).

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

12660908712 is a wasteful number, since it uses less digits than its factorization.

12660908712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133442 (or 133438 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 12660908712 in words is "twelve billion, six hundred sixty million, nine hundred eight thousand, seven hundred twelve".