12112103 has 8 divisors (see below), whose sum is σ = 12681216. Its totient is φ = 11554200.

The previous prime is 12112069. The next prime is 12112127. The reversal of 12112103 is 30121121.

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

It is a cyclic number.

It is not a de Polignac number, because 12112103 - 2¹² = 12108007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112183) 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, 551 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (1585152).

Almost surely, 2^12112103 is an apocalyptic number.

12112103 is a deficient number, since it is larger than the sum of its proper divisors (569113).

12112103 is an equidigital number, since it uses as much as digits as its factorization.

12112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12112103 is about 3480.2446753066. The cubic root of 12112103 is about 229.6535616136.

Adding to 12112103 its reverse (30121121), we get a palindrome (42233224).

The spelling of 12112103 in words is "twelve million, one hundred twelve thousand, one hundred three".