12641288786 has 16 divisors (see below), whose sum is σ = 21697004736. Its totient is φ = 5411139216.

The previous prime is 12641288771. The next prime is 12641288801. The reversal of 12641288786 is 68788214621.

12641288786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12641288771) and next prime (12641288801).

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 7 ways as a sum of consecutive naturals, for example, 534341 + ... + 557496.

It is an arithmetic number, because the mean of its divisors is an integer number (1356062796).

Almost surely, 2^12641288786 is an apocalyptic number.

12641288786 is a deficient number, since it is larger than the sum of its proper divisors (9055715950).

12641288786 is a wasteful number, since it uses less digits than its factorization.

12641288786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092673.

The product of its digits is 2064384, while the sum is 53.

The spelling of 12641288786 in words is "twelve billion, six hundred forty-one million, two hundred eighty-eight thousand, seven hundred eighty-six".