12870565680 has 160 divisors (see below), whose sum is σ = 46346462208. Its totient is φ = 2893593600.

The previous prime is 12870565663. The next prime is 12870565753. The reversal of 12870565680 is 8656507821.

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 31 ways as a sum of consecutive naturals, for example, 39685 + ... + 165275.

Almost surely, 2^12870565680 is an apocalyptic number.

12870565680 is a gapful number since it is divisible by the number (10) 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 12870565680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173231104).

12870565680 is an abundant number, since it is smaller than the sum of its proper divisors (33475896528).

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

12870565680 is a wasteful number, since it uses less digits than its factorization.

12870565680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125675 (or 125669 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 12870565680 in words is "twelve billion, eight hundred seventy million, five hundred sixty-five thousand, six hundred eighty".