12888669132 has 120 divisors (see below), whose sum is σ = 34285977264. Its totient is φ = 4221030528.

The previous prime is 12888669127. The next prime is 12888669257. The reversal of 12888669132 is 23196688821.

It is a super-2 number, since 2×12888669132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14695878 + ... + 14696754.

Almost surely, 2^12888669132 is an apocalyptic number.

12888669132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12888669132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17142988632).

12888669132 is an abundant number, since it is smaller than the sum of its proper divisors (21397308132).

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

12888669132 is a wasteful number, since it uses less digits than its factorization.

12888669132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1626 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 12888669132 in words is "twelve billion, eight hundred eighty-eight million, six hundred sixty-nine thousand, one hundred thirty-two".