12052231 has 2 divisors, whose sum is σ = 12052232.
Its totient is φ = 12052230.
The previous prime is 12052219. The next prime is 12052259. The reversal of 12052231 is 13225021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12052231 - 25 = 12052199 is a prime.
It is a super-2 number, since 2×120522312 = 290512544154722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12052331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026115 + 6026116.
It is an arithmetic number, because the mean of its divisors is an integer number (6026116).
Almost surely, 212052231 is an apocalyptic number.
12052231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12052231 is an equidigital number, since it uses as much as digits as its factorization.
12052231 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 12052231 is about 3471.6323250022.
The cubic root of 12052231 is about 229.2745320240.
Adding to 12052231 its reverse (13225021), we get a palindrome (25277252).
The spelling of 12052231 in words is "twelve million, fifty-two thousand, two hundred thirty-one".