12504134249 has 2 divisors, whose sum is σ = 12504134250. Its totient is φ = 12504134248.

The previous prime is 12504134231. The next prime is 12504134263. The reversal of 12504134249 is 94243140521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11184120025 + 1320014224 = 105755^2 + 36332^2 .

It is an emirp because it is prime and its reverse (94243140521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504134249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12504134749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252067124 + 6252067125.

It is an arithmetic number, because the mean of its divisors is an integer number (6252067125).

Almost surely, 2^12504134249 is an apocalyptic number.

It is an amenable number.

12504134249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504134249 is an equidigital number, since it uses as much as digits as its factorization.

12504134249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12504134249 in words is "twelve billion, five hundred four million, one hundred thirty-four thousand, two hundred forty-nine".