12112205 has 16 divisors (see below), whose sum is σ = 16671744. Its totient is φ = 8275200.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112205 is 50221121.

12112205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12112205 - 2¹⁸ = 11850061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13604 + ... + 14466.

It is an arithmetic number, because the mean of its divisors is an integer number (1041984).

Almost surely, 2^12112205 is an apocalyptic number.

It is an amenable number.

12112205 is a deficient number, since it is larger than the sum of its proper divisors (4559539).

12112205 is an equidigital number, since it uses as much as digits as its factorization.

12112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12112205 is about 3480.2593294179. The cubic root of 12112205 is about 229.6542062745.

Adding to 12112205 its reverse (50221121), we get a palindrome (62333326).

The spelling of 12112205 in words is "twelve million, one hundred twelve thousand, two hundred five".