12088663780 has 12 divisors (see below), whose sum is σ = 25386193980. Its totient is φ = 4835465504.

The previous prime is 12088663751. The next prime is 12088663781. The reversal of 12088663780 is 8736688021.

It can be written as a sum of positive squares in 2 ways, for example, as 2190801636 + 9897862144 = 46806^2 + 99488^2 .

It is a super-2 number, since 2×12088663780² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12088663781) 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, 302216575 + ... + 302216614.

It is an arithmetic number, because the mean of its divisors is an integer number (2115516165).

Almost surely, 2^12088663780 is an apocalyptic number.

12088663780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12088663780 is an abundant number, since it is smaller than the sum of its proper divisors (13297530200).

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

12088663780 is a wasteful number, since it uses less digits than its factorization.

12088663780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604433198 (or 604433196 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 12088663780 in words is "twelve billion, eighty-eight million, six hundred sixty-three thousand, seven hundred eighty".