12144199 has 2 divisors, whose sum is σ = 12144200. Its totient is φ = 12144198.

The previous prime is 12144169. The next prime is 12144217. The reversal of 12144199 is 99144121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12144199 - 2⁷ = 12144071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12144199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072099 + 6072100.

It is an arithmetic number, because the mean of its divisors is an integer number (6072100).

Almost surely, 2^12144199 is an apocalyptic number.

12144199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144199 is an equidigital number, since it uses as much as digits as its factorization.

12144199 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12144199 is about 3484.8527945955. The cubic root of 12144199 is about 229.8562365602.

The spelling of 12144199 in words is "twelve million, one hundred forty-four thousand, one hundred ninety-nine".