12018211 has 2 divisors, whose sum is σ = 12018212. Its totient is φ = 12018210.

The previous prime is 12018187. The next prime is 12018217. The reversal of 12018211 is 11281021.

12018211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12018211 - 2¹¹ = 12016163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12018217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009105 + 6009106.

It is an arithmetic number, because the mean of its divisors is an integer number (6009106).

Almost surely, 2^12018211 is an apocalyptic number.

12018211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018211 is an equidigital number, since it uses as much as digits as its factorization.

12018211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 12018211 is about 3466.7291500779. The cubic root of 12018211 is about 229.0586032583.

Adding to 12018211 its reverse (11281021), we get a palindrome (23299232).

The spelling of 12018211 in words is "twelve million, eighteen thousand, two hundred eleven".