12045111 has 8 divisors (see below), whose sum is σ = 17295600. Its totient is φ = 7412352.

The previous prime is 12045083. The next prime is 12045133. The reversal of 12045111 is 11154021.

It is a happy number.

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

It is not a de Polignac number, because 12045111 - 2¹¹ = 12043063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154386 + ... + 154463.

It is an arithmetic number, because the mean of its divisors is an integer number (2161950).

Almost surely, 2^12045111 is an apocalyptic number.

12045111 is a deficient number, since it is larger than the sum of its proper divisors (5250489).

12045111 is a wasteful number, since it uses less digits than its factorization.

12045111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308865.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 12045111 is about 3470.6067192928. The cubic root of 12045111 is about 229.2293742372.

Adding to 12045111 its reverse (11154021), we get a palindrome (23199132).

The spelling of 12045111 in words is "twelve million, forty-five thousand, one hundred eleven".