12636424830 has 64 divisors (see below), whose sum is σ = 31323205440. Its totient is φ = 3260814336.

The previous prime is 12636424811. The next prime is 12636424831. The reversal of 12636424830 is 3842463621.

12636424830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636424831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61636 + ... + 170504.

It is an arithmetic number, because the mean of its divisors is an integer number (489425085).

Almost surely, 2^12636424830 is an apocalyptic number.

12636424830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12636424830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15661602720).

12636424830 is an abundant number, since it is smaller than the sum of its proper divisors (18686780610).

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

12636424830 is a wasteful number, since it uses less digits than its factorization.

12636424830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109005.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 12636424830 in words is "twelve billion, six hundred thirty-six million, four hundred twenty-four thousand, eight hundred thirty".