12188704768 has 56 divisors (see below), whose sum is σ = 24895344672. Its totient is φ = 5964496896.

The previous prime is 12188704757. The next prime is 12188704769. The reversal of 12188704768 is 86740788121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188704769) 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, 369196 + ... + 400852.

Almost surely, 2^12188704768 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 12188704768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12447672336).

12188704768 is an abundant number, since it is smaller than the sum of its proper divisors (12706639904).

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

12188704768 is an frugal number, since it uses more digits than its factorization.

12188704768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31730 (or 31706 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 12188704768 in words is "twelve billion, one hundred eighty-eight million, seven hundred four thousand, seven hundred sixty-eight".