12776516375129 has 16 divisors (see below), whose sum is σ = 13830841436160. Its totient is φ = 11732507519040.

The previous prime is 12776516375083. The next prime is 12776516375143. The reversal of 12776516375129 is 92157361567721.

It is a cyclic number.

It is not a de Polignac number, because 12776516375129 - 2³⁶ = 12707796898393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12776516375159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004279 + ... + 5153795.

It is an arithmetic number, because the mean of its divisors is an integer number (864427589760).

Almost surely, 2^{12776516375129} is an apocalyptic number.

It is an amenable number.

12776516375129 is a deficient number, since it is larger than the sum of its proper divisors (1054325061031).

12776516375129 is a wasteful number, since it uses less digits than its factorization.

12776516375129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150760.

The product of its digits is 33339600, while the sum is 62.

The spelling of 12776516375129 in words is "twelve trillion, seven hundred seventy-six billion, five hundred sixteen million, three hundred seventy-five thousand, one hundred twenty-nine".