12021322199 has 2 divisors, whose sum is σ = 12021322200. Its totient is φ = 12021322198.

The previous prime is 12021322193. The next prime is 12021322223. The reversal of 12021322199 is 99122312021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021322199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021322193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010661099 + 6010661100.

It is an arithmetic number, because the mean of its divisors is an integer number (6010661100).

Almost surely, 2^12021322199 is an apocalyptic number.

12021322199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021322199 is an equidigital number, since it uses as much as digits as its factorization.

12021322199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 12021322199 in words is "twelve billion, twenty-one million, three hundred twenty-two thousand, one hundred ninety-nine".