12871217676 has 96 divisors (see below), whose sum is σ = 31467502080. Its totient is φ = 4090867200.

The previous prime is 12871217659. The next prime is 12871217683. The reversal of 12871217676 is 67671217821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5641656 + ... + 5643936.

It is an arithmetic number, because the mean of its divisors is an integer number (327786480).

Almost surely, 2^12871217676 is an apocalyptic number.

It is an amenable number.

12871217676 is an abundant number, since it is smaller than the sum of its proper divisors (18596284404).

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

12871217676 is a wasteful number, since it uses less digits than its factorization.

12871217676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2573 counting only the distinct ones).

The product of its digits is 395136, while the sum is 48.

The spelling of 12871217676 in words is "twelve billion, eight hundred seventy-one million, two hundred seventeen thousand, six hundred seventy-six".