12222021001999 has 2 divisors, whose sum is σ = 12222021002000. Its totient is φ = 12222021001998.

The previous prime is 12222021001937. The next prime is 12222021002041. The reversal of 12222021001999 is 99910012022221.

12222021001999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12222021001999 - 2⁷ = 12222021001871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222021301999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111010500999 + 6111010501000.

It is an arithmetic number, because the mean of its divisors is an integer number (6111010501000).

Almost surely, 2^{12222021001999} is an apocalyptic number.

12222021001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222021001999 is an equidigital number, since it uses as much as digits as its factorization.

12222021001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 12222021001999 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, one thousand, nine hundred ninety-nine".