12158219 has 2 divisors, whose sum is σ = 12158220. Its totient is φ = 12158218.

The previous prime is 12158203. The next prime is 12158239. The reversal of 12158219 is 91285121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12158219 - 2⁴ = 12158203 is a prime.

It is a super-2 number, since 2×12158219² = 295644578503922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12158191 and 12158200.

It is not a weakly prime, because it can be changed into another prime (12158239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079109 + 6079110.

It is an arithmetic number, because the mean of its divisors is an integer number (6079110).

Almost surely, 2^12158219 is an apocalyptic number.

12158219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12158219 is an equidigital number, since it uses as much as digits as its factorization.

12158219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 29.

The square root of 12158219 is about 3486.8637770925. The cubic root of 12158219 is about 229.9446558709.

The spelling of 12158219 in words is "twelve million, one hundred fifty-eight thousand, two hundred nineteen".