12636684288 has 336 divisors, whose sum is σ = 39611254515. Its totient is φ = 4029087744.

The previous prime is 12636684253. The next prime is 12636684317. The reversal of 12636684288 is 88248663621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12636684288 is a `hidden beast` number, since 126 + 36 + 68 + 428 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6318342144 + 6318342144 = 79488^2 + 79488^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79488.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 549421045 + ... + 549421067.

Almost surely, 2^12636684288 is an apocalyptic number.

12636684288 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 12636684288

12636684288 is an abundant number, since it is smaller than the sum of its proper divisors (26974570227).

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

12636684288 is an frugal number, since it uses more digits than its factorization.

12636684288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 28 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 12636684288 in words is "twelve billion, six hundred thirty-six million, six hundred eighty-four thousand, two hundred eighty-eight".