12242123 has 2 divisors, whose sum is σ = 12242124. Its totient is φ = 12242122.

The previous prime is 12242107. The next prime is 12242161. The reversal of 12242123 is 32124221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32124221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12242123 - 2⁴ = 12242107 is a prime.

It is a super-3 number, since 3×12242123³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12242423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121061 + 6121062.

It is an arithmetic number, because the mean of its divisors is an integer number (6121062).

Almost surely, 2^12242123 is an apocalyptic number.

12242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242123 is an equidigital number, since it uses as much as digits as its factorization.

12242123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 12242123 is about 3498.8745333321. The cubic root of 12242123 is about 230.4723939315.

Adding to 12242123 its reverse (32124221), we get a palindrome (44366344).

The spelling of 12242123 in words is "twelve million, two hundred forty-two thousand, one hundred twenty-three".