12220221983 has 2 divisors, whose sum is σ = 12220221984. Its totient is φ = 12220221982.

The previous prime is 12220221971. The next prime is 12220222019. The reversal of 12220221983 is 38912202221.

It is a happy number.

12220221983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220221983 - 2⁴ = 12220221967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220221943) 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 as a sum of consecutive naturals, namely, 6110110991 + 6110110992.

It is an arithmetic number, because the mean of its divisors is an integer number (6110110992).

Almost surely, 2^12220221983 is an apocalyptic number.

12220221983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220221983 is an equidigital number, since it uses as much as digits as its factorization.

12220221983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 12220221983 in words is "twelve billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-three".