188613633012 has 48 divisors (see below), whose sum is σ = 505603080192. Its totient is φ = 53607460320.

The previous prime is 188613633011. The next prime is 188613633067. The reversal of 188613633012 is 210336316881.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188613633011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5861968 + ... + 5894055.

It is an arithmetic number, because the mean of its divisors is an integer number (10533397504).

Almost surely, 2^188613633012 is an apocalyptic number.

188613633012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188613633012 is an abundant number, since it is smaller than the sum of its proper divisors (316989447180).

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

188613633012 is a wasteful number, since it uses less digits than its factorization.

188613633012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756228 (or 11756226 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

Adding to 188613633012 its reverse (210336316881), we get a palindrome (398949949893).

The spelling of 188613633012 in words is "one hundred eighty-eight billion, six hundred thirteen million, six hundred thirty-three thousand, twelve".