12636758200 has 96 divisors (see below), whose sum is σ = 32656458960. Its totient is φ = 4508441600.

The previous prime is 12636758179. The next prime is 12636758201. The reversal of 12636758200 is 285763621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636758201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62412 + ... + 170788.

Almost surely, 2^12636758200 is an apocalyptic number.

12636758200 is a gapful number since it is divisible by the number (10) 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 12636758200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16328229480).

12636758200 is an abundant number, since it is smaller than the sum of its proper divisors (20019700760).

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

12636758200 is a wasteful number, since it uses less digits than its factorization.

12636758200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108457 (or 108448 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12636758200 in words is "twelve billion, six hundred thirty-six million, seven hundred fifty-eight thousand, two hundred".