12641244430 has 16 divisors (see below), whose sum is σ = 23093856720. Its totient is φ = 4981027392.

The previous prime is 12641244403. The next prime is 12641244431. The reversal of 12641244430 is 3444214621.

12641244430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12641244392 and 12641244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641244431) 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 7 ways as a sum of consecutive naturals, for example, 9433095 + ... + 9434434.

It is an arithmetic number, because the mean of its divisors is an integer number (1443366045).

Almost surely, 2^12641244430 is an apocalyptic number.

12641244430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12641244430 is a deficient number, since it is larger than the sum of its proper divisors (10452612290).

12641244430 is a wasteful number, since it uses less digits than its factorization.

12641244430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867603.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 12641244430 in words is "twelve billion, six hundred forty-one million, two hundred forty-four thousand, four hundred thirty".