12641710782 has 128 divisors (see below), whose sum is σ = 28569784320. Its totient is φ = 3710085120.

The previous prime is 12641710771. The next prime is 12641710831. The reversal of 12641710782 is 28701714621.

12641710782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12641710782.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 14819868 + ... + 14820720.

It is an arithmetic number, because the mean of its divisors is an integer number (223201440).

Almost surely, 2^12641710782 is an apocalyptic number.

12641710782 is an abundant number, since it is smaller than the sum of its proper divisors (15928073538).

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

12641710782 is a wasteful number, since it uses less digits than its factorization.

12641710782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 12641710782 in words is "twelve billion, six hundred forty-one million, seven hundred ten thousand, seven hundred eighty-two".