12188737228 has 12 divisors (see below), whose sum is σ = 21333714192. Its totient is φ = 6093390320.

The previous prime is 12188737199. The next prime is 12188737229. The reversal of 12188737228 is 82273788121.

It is a happy number.

12188737228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12188737229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216175 + ... + 266662.

It is an arithmetic number, because the mean of its divisors is an integer number (1777809516).

Almost surely, 2^12188737228 is an apocalyptic number.

It is an amenable number.

12188737228 is a deficient number, since it is larger than the sum of its proper divisors (9144976964).

12188737228 is a wasteful number, since it uses less digits than its factorization.

12188737228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489152 (or 489150 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The spelling of 12188737228 in words is "twelve billion, one hundred eighty-eight million, seven hundred thirty-seven thousand, two hundred twenty-eight".