12735275129 has 2 divisors, whose sum is σ = 12735275130. Its totient is φ = 12735275128.

The previous prime is 12735275039. The next prime is 12735275153. The reversal of 12735275129 is 92157253721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12714817600 + 20457529 = 112760^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 12735275129 - 2²⁰ = 12734226553 is a prime.

It is a super-2 number, since 2×12735275129² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12735275129.

It is not a weakly prime, because it can be changed into another prime (12735275159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367637564 + 6367637565.

It is an arithmetic number, because the mean of its divisors is an integer number (6367637565).

Almost surely, 2^12735275129 is an apocalyptic number.

It is an amenable number.

12735275129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735275129 is an equidigital number, since it uses as much as digits as its factorization.

12735275129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The spelling of 12735275129 in words is "twelve billion, seven hundred thirty-five million, two hundred seventy-five thousand, one hundred twenty-nine".