12234142 has 4 divisors (see below), whose sum is σ = 18351216. Its totient is φ = 6117070.

The previous prime is 12234127. The next prime is 12234151. The reversal of 12234142 is 24143221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058534 + ... + 3058537.

It is an arithmetic number, because the mean of its divisors is an integer number (4587804).

Almost surely, 2^12234142 is an apocalyptic number.

12234142 is a deficient number, since it is larger than the sum of its proper divisors (6117074).

12234142 is an equidigital number, since it uses as much as digits as its factorization.

12234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117073.

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

The square root of 12234142 is about 3497.7338377870. The cubic root of 12234142 is about 230.4222991334.

Adding to 12234142 its reverse (24143221), we get a palindrome (36377363).

The spelling of 12234142 in words is "twelve million, two hundred thirty-four thousand, one hundred forty-two".