12144612636 has 96 divisors (see below), whose sum is σ = 34696766720. Its totient is φ = 3649883328.

The previous prime is 12144612631. The next prime is 12144612673. The reversal of 12144612636 is 63621644121.

12144612636 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 4 + 6 + 12 + 636 = 666.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 12144612636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144612631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40210 + ... + 160953.

Almost surely, 2^12144612636 is an apocalyptic number.

It is an amenable number.

12144612636 is an abundant number, since it is smaller than the sum of its proper divisors (22552154084).

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

12144612636 is a wasteful number, since it uses less digits than its factorization.

12144612636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201232 (or 201224 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 12144612636 in words is "twelve billion, one hundred forty-four million, six hundred twelve thousand, six hundred thirty-six".