12118866600 has 48 divisors (see below), whose sum is σ = 37568488320. Its totient is φ = 3231697600.

The previous prime is 12118866553. The next prime is 12118866623. The reversal of 12118866600 is 666881121.

12118866600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10098456 + ... + 10099655.

It is an arithmetic number, because the mean of its divisors is an integer number (782676840).

Almost surely, 2^12118866600 is an apocalyptic number.

12118866600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12118866600 is an abundant number, since it is smaller than the sum of its proper divisors (25449621720).

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

12118866600 is a wasteful number, since it uses less digits than its factorization.

12118866600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20198130 (or 20198121 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 12118866600 in words is "twelve billion, one hundred eighteen million, eight hundred sixty-six thousand, six hundred".