12641110784 has 36 divisors (see below), whose sum is σ = 26717136264. Its totient is φ = 5948755968.

The previous prime is 12641110763. The next prime is 12641110787. The reversal of 12641110784 is 48701114621.

It is a super-2 number, since 2×12641110784² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12641110787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447982 + ... + 1456685.

It is an arithmetic number, because the mean of its divisors is an integer number (742142674).

Almost surely, 2^12641110784 is an apocalyptic number.

It is an amenable number.

12641110784 is an abundant number, since it is smaller than the sum of its proper divisors (14076025480).

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

12641110784 is an equidigital number, since it uses as much as digits as its factorization.

12641110784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904700 (or 2904686 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 12641110784 in words is "twelve billion, six hundred forty-one million, one hundred ten thousand, seven hundred eighty-four".