12112243 has 8 divisors (see below), whose sum is σ = 14229936. Its totient is φ = 10164000.

The previous prime is 12112241. The next prime is 12112259. The reversal of 12112243 is 34221121.

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

It is not a de Polignac number, because 12112243 - 2¹ = 12112241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42208 + ... + 42493.

It is an arithmetic number, because the mean of its divisors is an integer number (1778742).

Almost surely, 2^12112243 is an apocalyptic number.

12112243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12112243 is a deficient number, since it is larger than the sum of its proper divisors (2117693).

12112243 is a wasteful number, since it uses less digits than its factorization.

12112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84725.

The product of its digits is 96, while the sum is 16.

The square root of 12112243 is about 3480.2647887769. The cubic root of 12112243 is about 229.6544464414.

Adding to 12112243 its reverse (34221121), we get a palindrome (46333364).

The spelling of 12112243 in words is "twelve million, one hundred twelve thousand, two hundred forty-three".