12927122688 has 72 divisors (see below), whose sum is σ = 34431997600. Its totient is φ = 4305659904.

The previous prime is 12927122657. The next prime is 12927122693. The reversal of 12927122688 is 88622172921.

It is a super-2 number, since 2×12927122688² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091583 + ... + 1103361.

Almost surely, 2^12927122688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12927122688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17215998800).

12927122688 is an abundant number, since it is smaller than the sum of its proper divisors (21504874912).

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

12927122688 is a wasteful number, since it uses less digits than its factorization.

12927122688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227 (or 13213 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The spelling of 12927122688 in words is "twelve billion, nine hundred twenty-seven million, one hundred twenty-two thousand, six hundred eighty-eight".