12230111 has 2 divisors, whose sum is σ = 12230112. Its totient is φ = 12230110.

The previous prime is 12230107. The next prime is 12230149. The reversal of 12230111 is 11103221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12230111 - 2² = 12230107 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230092 and 12230101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230161) 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, 6115055 + 6115056.

It is an arithmetic number, because the mean of its divisors is an integer number (6115056).

Almost surely, 2^12230111 is an apocalyptic number.

12230111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230111 is an equidigital number, since it uses as much as digits as its factorization.

12230111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12230111 is about 3497.1575600765. The cubic root of 12230111 is about 230.3969892446.

Adding to 12230111 its reverse (11103221), we get a palindrome (23333332).

The spelling of 12230111 in words is "twelve million, two hundred thirty thousand, one hundred eleven".