12116366208 has 160 divisors (see below), whose sum is σ = 38179730160. Its totient is φ = 3801157632.

The previous prime is 12116366189. The next prime is 12116366231. The reversal of 12116366208 is 80266361121.

It is a happy number.

12116366208 is a `hidden beast` number, since 1 + 2 + 11 + 636 + 6 + 2 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 141885 + ... + 210627.

Almost surely, 2^12116366208 is an apocalyptic number.

12116366208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12116366208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19089865080).

12116366208 is an abundant number, since it is smaller than the sum of its proper divisors (26063363952).

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

12116366208 is an equidigital number, since it uses as much as digits as its factorization.

12116366208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68786 (or 68765 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 12116366208 in words is "twelve billion, one hundred sixteen million, three hundred sixty-six thousand, two hundred eight".