12222010201997 has 2 divisors, whose sum is σ = 12222010201998. Its totient is φ = 12222010201996.

The previous prime is 12222010201939. The next prime is 12222010202009. The reversal of 12222010201997 is 79910201022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9458017501321 + 2763992700676 = 3075389^2 + 1662526^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222010201997 - 2²⁰ = 12222009153421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222010201997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222010201397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111005100998 + 6111005100999.

It is an arithmetic number, because the mean of its divisors is an integer number (6111005100999).

Almost surely, 2^{12222010201997} is an apocalyptic number.

It is an amenable number.

12222010201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222010201997 is an equidigital number, since it uses as much as digits as its factorization.

12222010201997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 12222010201997 in words is "twelve trillion, two hundred twenty-two billion, ten million, two hundred one thousand, nine hundred ninety-seven".