12242111 has 12 divisors (see below), whose sum is σ = 14316120. Its totient is φ = 10437840.

The previous prime is 12242107. The next prime is 12242123. The reversal of 12242111 is 11124221.

It is a happy number.

It is not a de Polignac number, because 12242111 - 2² = 12242107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10676 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (1193010).

Almost surely, 2^12242111 is an apocalyptic number.

12242111 is a deficient number, since it is larger than the sum of its proper divisors (2074009).

12242111 is a wasteful number, since it uses less digits than its factorization.

12242111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1327 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 12242111 is about 3498.8728184946. The cubic root of 12242111 is about 230.4723186267.

Adding to 12242111 its reverse (11124221), we get a palindrome (23366332).

The spelling of 12242111 in words is "twelve million, two hundred forty-two thousand, one hundred eleven".