12112203 has 4 divisors (see below), whose sum is σ = 16149608. Its totient is φ = 8074800.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112203 is 30221121.

12112203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12112203 - 2⁴ = 12112187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018698 + ... + 2018703.

It is an arithmetic number, because the mean of its divisors is an integer number (4037402).

Almost surely, 2^12112203 is an apocalyptic number.

12112203 is a deficient number, since it is larger than the sum of its proper divisors (4037405).

12112203 is an equidigital number, since it uses as much as digits as its factorization.

12112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037404.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12112203 is about 3480.2590420829. The cubic root of 12112203 is about 229.6541936342.

Adding to 12112203 its reverse (30221121), we get a palindrome (42333324).

The spelling of 12112203 in words is "twelve million, one hundred twelve thousand, two hundred three".