12162211 has 2 divisors, whose sum is σ = 12162212. Its totient is φ = 12162210.

The previous prime is 12162203. The next prime is 12162247. The reversal of 12162211 is 11226121.

12162211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12162211 - 2³ = 12162203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12162611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081105 + 6081106.

It is an arithmetic number, because the mean of its divisors is an integer number (6081106).

Almost surely, 2^12162211 is an apocalyptic number.

12162211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162211 is an equidigital number, since it uses as much as digits as its factorization.

12162211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 16.

The square root of 12162211 is about 3487.4361642903. The cubic root of 12162211 is about 229.9698196064.

Adding to 12162211 its reverse (11226121), we get a palindrome (23388332).

The spelling of 12162211 in words is "twelve million, one hundred sixty-two thousand, two hundred eleven".