12210331249 has 2 divisors, whose sum is σ = 12210331250. Its totient is φ = 12210331248.

The previous prime is 12210331169. The next prime is 12210331337. The reversal of 12210331249 is 94213301221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6610503025 + 5599828224 = 81305^2 + 74832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210331249 - 2⁷ = 12210331121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210331649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105165624 + 6105165625.

It is an arithmetic number, because the mean of its divisors is an integer number (6105165625).

Almost surely, 2^12210331249 is an apocalyptic number.

It is an amenable number.

12210331249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210331249 is an equidigital number, since it uses as much as digits as its factorization.

12210331249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12210331249 in words is "twelve billion, two hundred ten million, three hundred thirty-one thousand, two hundred forty-nine".