12112045 has 16 divisors (see below), whose sum is σ = 15926400. Its totient is φ = 8769600.

The previous prime is 12112031. The next prime is 12112049. The reversal of 12112045 is 54021121.

12112045 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 12112045 - 2⁵ = 12112013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18880 + ... + 19510.

It is an arithmetic number, because the mean of its divisors is an integer number (995400).

Almost surely, 2^12112045 is an apocalyptic number.

It is an amenable number.

12112045 is a deficient number, since it is larger than the sum of its proper divisors (3814355).

12112045 is a wasteful number, since it uses less digits than its factorization.

12112045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12112045 is about 3480.2363425492. The cubic root of 12112045 is about 229.6531950402.

Adding to 12112045 its reverse (54021121), we get a palindrome (66133166).

The spelling of 12112045 in words is "twelve million, one hundred twelve thousand, forty-five".