10012520249 has 2 divisors, whose sum is σ = 10012520250. Its totient is φ = 10012520248.

The previous prime is 10012520233. The next prime is 10012520257. The reversal of 10012520249 is 94202521001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7079539600 + 2932980649 = 84140^2 + 54157^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012520249 - 2⁴ = 10012520233 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012520279) 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, 5006260124 + 5006260125.

It is an arithmetic number, because the mean of its divisors is an integer number (5006260125).

Almost surely, 2^10012520249 is an apocalyptic number.

It is an amenable number.

10012520249 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012520249 is an equidigital number, since it uses as much as digits as its factorization.

10012520249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 10012520249 in words is "ten billion, twelve million, five hundred twenty thousand, two hundred forty-nine".