12112199 has 4 divisors (see below), whose sum is σ = 13213320. Its totient is φ = 11011080.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112199 is 99121121.

12112199 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12112199 - 2⁴ = 12112183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112159) 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, 550544 + ... + 550565.

It is an arithmetic number, because the mean of its divisors is an integer number (3303330).

Almost surely, 2^12112199 is an apocalyptic number.

12112199 is a deficient number, since it is larger than the sum of its proper divisors (1101121).

12112199 is a wasteful number, since it uses less digits than its factorization.

12112199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101120.

The product of its digits is 324, while the sum is 26.

The square root of 12112199 is about 3480.2584674130. The cubic root of 12112199 is about 229.6541683534.

It can be divided in two parts, 12 and 112199, that added together give a palindrome (112211).

The spelling of 12112199 in words is "twelve million, one hundred twelve thousand, one hundred ninety-nine".