12242201 has 2 divisors, whose sum is σ = 12242202. Its totient is φ = 12242200.

The previous prime is 12242189. The next prime is 12242203. The reversal of 12242201 is 10224221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10896601 + 1345600 = 3301^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 12242201 - 2¹⁸ = 11980057 is a prime.

Together with 12242203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12242203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121100 + 6121101.

It is an arithmetic number, because the mean of its divisors is an integer number (6121101).

Almost surely, 2^12242201 is an apocalyptic number.

It is an amenable number.

12242201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242201 is an equidigital number, since it uses as much as digits as its factorization.

12242201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12242201 is about 3498.8856797558. The cubic root of 12242201 is about 230.4728834111.

Adding to 12242201 its reverse (10224221), we get a palindrome (22466422).

It can be divided in two parts, 1224220 and 1, that added together give a palindrome (1224221).

The spelling of 12242201 in words is "twelve million, two hundred forty-two thousand, two hundred one".