12222102219997 has 2 divisors, whose sum is σ = 12222102219998. Its totient is φ = 12222102219996.

The previous prime is 12222102219983. The next prime is 12222102220079. The reversal of 12222102219997 is 79991220122221.

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., 7491886111161 + 4730216108836 = 2737131^2 + 2174906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222102219997 - 2⁷ = 12222102219869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222102219997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222109219997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111051109998 + 6111051109999.

It is an arithmetic number, because the mean of its divisors is an integer number (6111051109999).

Almost surely, 2^{12222102219997} is an apocalyptic number.

It is an amenable number.

12222102219997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222102219997 is an equidigital number, since it uses as much as digits as its factorization.

12222102219997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 12222102219997 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred nineteen thousand, nine hundred ninety-seven".