12130045 has 16 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 9465984.

The previous prime is 12130007. The next prime is 12130049. The reversal of 12130045 is 54003121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12130045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130049) 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, 60856 + ... + 61054.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 2^12130045 is an apocalyptic number.

It is an amenable number.

12130045 is a deficient number, since it is larger than the sum of its proper divisors (2788355).

12130045 is a wasteful number, since it uses less digits than its factorization.

12130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12130045 is about 3482.8214137392. The cubic root of 12130045 is about 229.7669031008.

Adding to 12130045 its reverse (54003121), we get a palindrome (66133166).

The spelling of 12130045 in words is "twelve million, one hundred thirty thousand, forty-five".