12222249053257 has 2 divisors, whose sum is σ = 12222249053258. Its totient is φ = 12222249053256.

The previous prime is 12222249053191. The next prime is 12222249053281. The reversal of 12222249053257 is 75235094222221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12162488850576 + 59760202681 = 3487476^2 + 244459^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222249053257 - 2¹¹ = 12222249051209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222249059257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111124526628 + 6111124526629.

It is an arithmetic number, because the mean of its divisors is an integer number (6111124526629).

Almost surely, 2^{12222249053257} is an apocalyptic number.

It is an amenable number.

12222249053257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222249053257 is an equidigital number, since it uses as much as digits as its factorization.

12222249053257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 12222249053257 in words is "twelve trillion, two hundred twenty-two billion, two hundred forty-nine million, fifty-three thousand, two hundred fifty-seven".