12188637931008 has 640 divisors, whose sum is σ = 44023868292096. Its totient is φ = 2899102924800.

The previous prime is 12188637931003. The next prime is 12188637931049. The reversal of 12188637931008 is 80013973688121.

It is a happy number.

It is a super-2 number, since 2×12188637931008² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188637931003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74311168 + ... + 74475008.

Almost surely, 2^{12188637931008} 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 12188637931008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22011934146048).

12188637931008 is an abundant number, since it is smaller than the sum of its proper divisors (31835230361088).

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

12188637931008 is a wasteful number, since it uses less digits than its factorization.

12188637931008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163934 (or 163918 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 12188637931008 in words is "twelve trillion, one hundred eighty-eight billion, six hundred thirty-seven million, nine hundred thirty-one thousand, eight".