12515001269 has 2 divisors, whose sum is σ = 12515001270. Its totient is φ = 12515001268.

The previous prime is 12515001241. The next prime is 12515001319. The reversal of 12515001269 is 96210051521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12507738244 + 7263025 = 111838^2 + 2695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12515001269 is a prime.

It is a super-2 number, since 2×12515001269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12515001869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257500634 + 6257500635.

It is an arithmetic number, because the mean of its divisors is an integer number (6257500635).

Almost surely, 2^12515001269 is an apocalyptic number.

It is an amenable number.

12515001269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515001269 is an equidigital number, since it uses as much as digits as its factorization.

12515001269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 12515001269 in words is "twelve billion, five hundred fifteen million, one thousand, two hundred sixty-nine".