12712826860 has 24 divisors (see below), whose sum is σ = 27617521680. Its totient is φ = 4909781184.

The previous prime is 12712826857. The next prime is 12712826897. The reversal of 12712826860 is 6862821721.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10958754 + ... + 10959913.

It is an arithmetic number, because the mean of its divisors is an integer number (1150730070).

Almost surely, 2^12712826860 is an apocalyptic number.

12712826860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12712826860 is an abundant number, since it is smaller than the sum of its proper divisors (14904694820).

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

12712826860 is a wasteful number, since it uses less digits than its factorization.

12712826860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21918705 (or 21918703 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 12712826860 in words is "twelve billion, seven hundred twelve million, eight hundred twenty-six thousand, eight hundred sixty".