12242 has 4 divisors (see below), whose sum is σ = 18366. Its totient is φ = 6120.

The previous prime is 12241. The next prime is 12251. The reversal of 12242 is 24221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24221 = 53 ⋅457.

It can be written as a sum of positive squares in only one way, i.e., 11881 + 361 = 109^2 + 19^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059 + ... + 3062.

2¹²²⁴² is an apocalyptic number.

12242 is a deficient number, since it is larger than the sum of its proper divisors (6124).

12242 is an equidigital number, since it uses as much as digits as its factorization.

12242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123.

The product of its digits is 32, while the sum is 11.

The square root of 12242 is about 110.6435718874. The cubic root of 12242 is about 23.0471622056.

Adding to 12242 its reverse (24221), we get a palindrome (36463).

The spelling of 12242 in words is "twelve thousand, two hundred forty-two", and thus it is an iban number.