12888397516 has 12 divisors (see below), whose sum is σ = 23164282288. Its totient is φ = 6270031152.

The previous prime is 12888397513. The next prime is 12888397517. The reversal of 12888397516 is 61579388821.

It is a super-2 number, since 2×12888397516² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12888397513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43541736 + ... + 43542031.

Almost surely, 2^12888397516 is an apocalyptic number.

It is an amenable number.

12888397516 is a deficient number, since it is larger than the sum of its proper divisors (10275884772).

12888397516 is a wasteful number, since it uses less digits than its factorization.

12888397516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87083808 (or 87083806 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 12888397516 in words is "twelve billion, eight hundred eighty-eight million, three hundred ninety-seven thousand, five hundred sixteen".