12210000221999 has 2 divisors, whose sum is σ = 12210000222000. Its totient is φ = 12210000221998.

The previous prime is 12210000221981. The next prime is 12210000222001. The reversal of 12210000221999 is 99912200001221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210000221999 - 2²⁰ = 12209999173423 is a prime.

It is a Sophie Germain prime.

Together with 12210000222001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210000221099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105000110999 + 6105000111000.

It is an arithmetic number, because the mean of its divisors is an integer number (6105000111000).

Almost surely, 2^{12210000221999} is an apocalyptic number.

12210000221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210000221999 is an equidigital number, since it uses as much as digits as its factorization.

12210000221999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 12210000221999 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one thousand, nine hundred ninety-nine".