12769255129 has 8 divisors (see below), whose sum is σ = 12829789800. Its totient is φ = 12708864000.

The previous prime is 12769255123. The next prime is 12769255141. The reversal of 12769255129 is 92155296721.

It can be written as a sum of positive squares in 4 ways, for example, as 9633815104 + 3135440025 = 98152^2 + 55995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12769255129 - 2⁷ = 12769255001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12769255123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144589 + ... + 215509.

It is an arithmetic number, because the mean of its divisors is an integer number (1603723725).

Almost surely, 2^12769255129 is an apocalyptic number.

It is an amenable number.

12769255129 is a deficient number, since it is larger than the sum of its proper divisors (60534671).

12769255129 is an equidigital number, since it uses as much as digits as its factorization.

12769255129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71771.

The product of its digits is 680400, while the sum is 49.

The spelling of 12769255129 in words is "twelve billion, seven hundred sixty-nine million, two hundred fifty-five thousand, one hundred twenty-nine".