12766565012 has 12 divisors (see below), whose sum is σ = 23312858016. Its totient is φ = 6105748440.

The previous prime is 12766564997. The next prime is 12766565017. The reversal of 12766565012 is 21056566721.

12766565012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766565017) 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 3 ways as a sum of consecutive naturals, for example, 69383414 + ... + 69383597.

It is an arithmetic number, because the mean of its divisors is an integer number (1942738168).

Almost surely, 2^12766565012 is an apocalyptic number.

It is an amenable number.

12766565012 is a deficient number, since it is larger than the sum of its proper divisors (10546293004).

12766565012 is a wasteful number, since it uses less digits than its factorization.

12766565012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138767038 (or 138767036 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 12766565012 in words is "twelve billion, seven hundred sixty-six million, five hundred sixty-five thousand, twelve".