12120223 has 2 divisors, whose sum is σ = 12120224. Its totient is φ = 12120222.

The previous prime is 12120181. The next prime is 12120239. The reversal of 12120223 is 32202121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120223 - 2⁹ = 12119711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060111 + 6060112.

It is an arithmetic number, because the mean of its divisors is an integer number (6060112).

Almost surely, 2^12120223 is an apocalyptic number.

12120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120223 is an equidigital number, since it uses as much as digits as its factorization.

12120223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12120223 is about 3481.4110644967. The cubic root of 12120223 is about 229.7048703571.

Adding to 12120223 its reverse (32202121), we get a palindrome (44322344).

The spelling of 12120223 in words is "twelve million, one hundred twenty thousand, two hundred twenty-three".