12618366144 has 112 divisors (see below), whose sum is σ = 35387280000. Its totient is φ = 3954528256.

The previous prime is 12618366091. The next prime is 12618366169. The reversal of 12618366144 is 44166381621.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12618366096 and 12618366105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891447 + ... + 4894025.

Almost surely, 2^12618366144 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 12618366144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17693640000).

12618366144 is an abundant number, since it is smaller than the sum of its proper divisors (22768913856).

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

12618366144 is a wasteful number, since it uses less digits than its factorization.

12618366144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110 (or 4100 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 12618366144 in words is "twelve billion, six hundred eighteen million, three hundred sixty-six thousand, one hundred forty-four".