12112042 has 8 divisors (see below), whose sum is σ = 18244800. Its totient is φ = 6030444.

The previous prime is 12112031. The next prime is 12112049. The reversal of 12112042 is 24021121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12112042² = 293403122819528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12192 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (2280600).

Almost surely, 2^12112042 is an apocalyptic number.

12112042 is a deficient number, since it is larger than the sum of its proper divisors (6132758).

12112042 is a wasteful number, since it uses less digits than its factorization.

12112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12112042 is about 3480.2359115439. The cubic root of 12112042 is about 229.6531760794.

Adding to 12112042 its reverse (24021121), we get a palindrome (36133163).

The spelling of 12112042 in words is "twelve million, one hundred twelve thousand, forty-two".