12851917888 has 28 divisors (see below), whose sum is σ = 25862231232. Its totient is φ = 6335450240.

The previous prime is 12851917861. The next prime is 12851917891. The reversal of 12851917888 is 88871915821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409620 + ... + 1418707.

Almost surely, 2^12851917888 is an apocalyptic number.

It is an amenable number.

12851917888 is an abundant number, since it is smaller than the sum of its proper divisors (13010313344).

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

12851917888 is an equidigital number, since it uses as much as digits as its factorization.

12851917888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828410 (or 2828400 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 58.

The spelling of 12851917888 in words is "twelve billion, eight hundred fifty-one million, nine hundred seventeen thousand, eight hundred eighty-eight".