12530848249 has 2 divisors, whose sum is σ = 12530848250. Its totient is φ = 12530848248.

The previous prime is 12530848243. The next prime is 12530848273. The reversal of 12530848249 is 94284803521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12027070224 + 503778025 = 109668^2 + 22445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12530848249 - 2⁹ = 12530847737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12530848199 and 12530848208.

It is not a weakly prime, because it can be changed into another prime (12530848243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265424124 + 6265424125.

It is an arithmetic number, because the mean of its divisors is an integer number (6265424125).

Almost surely, 2^12530848249 is an apocalyptic number.

It is an amenable number.

12530848249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530848249 is an equidigital number, since it uses as much as digits as its factorization.

12530848249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 12530848249 in words is "twelve billion, five hundred thirty million, eight hundred forty-eight thousand, two hundred forty-nine".