12641444012 has 12 divisors (see below), whose sum is σ = 22341562656. Its totient is φ = 6258140400.

The previous prime is 12641444003. The next prime is 12641444107. The reversal of 12641444012 is 21044414621.

12641444012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12641444012² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15644948 + ... + 15645755.

It is an arithmetic number, because the mean of its divisors is an integer number (1861796888).

Almost surely, 2^12641444012 is an apocalyptic number.

It is an amenable number.

12641444012 is a deficient number, since it is larger than the sum of its proper divisors (9700118644).

12641444012 is a wasteful number, since it uses less digits than its factorization.

12641444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290808 (or 31290806 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12641444012 its reverse (21044414621), we get a palindrome (33685858633).

The spelling of 12641444012 in words is "twelve billion, six hundred forty-one million, four hundred forty-four thousand, twelve".