12220222212349 has 2 divisors, whose sum is σ = 12220222212350. Its totient is φ = 12220222212348.

The previous prime is 12220222212323. The next prime is 12220222212467. The reversal of 12220222212349 is 94321222202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12109321224025 + 110900988324 = 3479845^2 + 333018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220222212349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220222222349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110111106174 + 6110111106175.

It is an arithmetic number, because the mean of its divisors is an integer number (6110111106175).

Almost surely, 2^{12220222212349} is an apocalyptic number.

It is an amenable number.

12220222212349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220222212349 is an equidigital number, since it uses as much as digits as its factorization.

12220222212349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 12220222212349 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, three hundred forty-nine".