12220301 has 2 divisors, whose sum is σ = 12220302. Its totient is φ = 12220300.

The previous prime is 12220277. The next prime is 12220333. The reversal of 12220301 is 10302221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 75076 = 3485^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220301 - 2⁶ = 12220237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110150 + 6110151.

It is an arithmetic number, because the mean of its divisors is an integer number (6110151).

Almost surely, 2^12220301 is an apocalyptic number.

It is an amenable number.

12220301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220301 is an equidigital number, since it uses as much as digits as its factorization.

12220301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12220301 is about 3495.7547110746. The cubic root of 12220301 is about 230.3353708600.

Adding to 12220301 its reverse (10302221), we get a palindrome (22522522).

It can be divided in two parts, 12220 and 301, that added together give a palindrome (12521).

The spelling of 12220301 in words is "twelve million, two hundred twenty thousand, three hundred one".