12888052578 has 12 divisors (see below), whose sum is σ = 27924113958. Its totient is φ = 4296017520.

The previous prime is 12888052577. The next prime is 12888052591. The reversal of 12888052578 is 87525088821.

12888052578 is a `hidden beast` number, since 12 + 8 + 8 + 8 + 0 + 52 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12401717769 + 486334809 = 111363^2 + 22053^2 .

It is a super-2 number, since 2×12888052578² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12888052577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358001443 + ... + 358001478.

Almost surely, 2^12888052578 is an apocalyptic number.

12888052578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12888052578 is an abundant number, since it is smaller than the sum of its proper divisors (15036061380).

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

12888052578 is a wasteful number, since it uses less digits than its factorization.

12888052578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716002929 (or 716002926 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The spelling of 12888052578 in words is "twelve billion, eight hundred eighty-eight million, fifty-two thousand, five hundred seventy-eight".