12021222199 has 4 divisors (see below), whose sum is σ = 13738539664. Its totient is φ = 10303904736.

The previous prime is 12021222163. The next prime is 12021222217. The reversal of 12021222199 is 99122212021.

12021222199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021222199 - 2²⁷ = 11887004471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021222199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021222299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858658722 + ... + 858658735.

It is an arithmetic number, because the mean of its divisors is an integer number (3434634916).

Almost surely, 2^12021222199 is an apocalyptic number.

12021222199 is a deficient number, since it is larger than the sum of its proper divisors (1717317465).

12021222199 is an equidigital number, since it uses as much as digits as its factorization.

12021222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717317464.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 12021222199 in words is "twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred ninety-nine".