12214243 has 2 divisors, whose sum is σ = 12214244. Its totient is φ = 12214242.

The previous prime is 12214183. The next prime is 12214273. The reversal of 12214243 is 34241221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12214243 - 2⁹ = 12213731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12214243.

It is not a weakly prime, because it can be changed into another prime (12214273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107121 + 6107122.

It is an arithmetic number, because the mean of its divisors is an integer number (6107122).

Almost surely, 2^12214243 is an apocalyptic number.

12214243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214243 is an equidigital number, since it uses as much as digits as its factorization.

12214243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 12214243 is about 3494.8881241035. Note that the first 3 decimals coincide. The cubic root of 12214243 is about 230.2973029947.

Adding to 12214243 its reverse (34241221), we get a palindrome (46455464).

It can be divided in two parts, 122 and 14243, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 12214243 in words is "twelve million, two hundred fourteen thousand, two hundred forty-three".