12025231 has 2 divisors, whose sum is σ = 12025232. Its totient is φ = 12025230.

The previous prime is 12025229. The next prime is 12025253. The reversal of 12025231 is 13252021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12025231 - 2¹ = 12025229 is a prime.

It is a super-2 number, since 2×12025231² = 289212361206722, which contains 22 as substring.

Together with 12025229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12025261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012615 + 6012616.

It is an arithmetic number, because the mean of its divisors is an integer number (6012616).

Almost surely, 2^12025231 is an apocalyptic number.

12025231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025231 is an equidigital number, since it uses as much as digits as its factorization.

12025231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12025231 is about 3467.7414840210. The cubic root of 12025231 is about 229.1031933229.

Adding to 12025231 its reverse (13252021), we get a palindrome (25277252).

The spelling of 12025231 in words is "twelve million, twenty-five thousand, two hundred thirty-one".