12130238 has 16 divisors (see below), whose sum is σ = 18985344. Its totient is φ = 5806080.

The previous prime is 12130169. The next prime is 12130259. The reversal of 12130238 is 83203121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5006 + ... + 7022.

It is an arithmetic number, because the mean of its divisors is an integer number (1186584).

Almost surely, 2^12130238 is an apocalyptic number.

12130238 is a deficient number, since it is larger than the sum of its proper divisors (6855106).

12130238 is a wasteful number, since it uses less digits than its factorization.

12130238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12130238 is about 3482.8491210502. The cubic root of 12130238 is about 229.7681216941.

Adding to 12130238 its reverse (83203121), we get a palindrome (95333359).

The spelling of 12130238 in words is "twelve million, one hundred thirty thousand, two hundred thirty-eight".