12222112219 has 2 divisors, whose sum is σ = 12222112220. Its totient is φ = 12222112218.

The previous prime is 12222112211. The next prime is 12222112237. The reversal of 12222112219 is 91221122221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222112219 - 2³ = 12222112211 is a prime.

It is a super-2 number, since 2×12222112219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222112193 and 12222112202.

It is not a weakly prime, because it can be changed into another prime (12222112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111056109 + 6111056110.

It is an arithmetic number, because the mean of its divisors is an integer number (6111056110).

Almost surely, 2^12222112219 is an apocalyptic number.

12222112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222112219 is an equidigital number, since it uses as much as digits as its factorization.

12222112219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The spelling of 12222112219 in words is "twelve billion, two hundred twenty-two million, one hundred twelve thousand, two hundred nineteen".