12320201 has 2 divisors, whose sum is σ = 12320202. Its totient is φ = 12320200.

The previous prime is 12320197. The next prime is 12320207. The reversal of 12320201 is 10202321.

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., 10627600 + 1692601 = 3260^2 + 1301^2 .

It is an emirp because it is prime and its reverse (10202321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320201 - 2² = 12320197 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12320207) 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, 6160100 + 6160101.

It is an arithmetic number, because the mean of its divisors is an integer number (6160101).

Almost surely, 2^12320201 is an apocalyptic number.

It is an amenable number.

12320201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320201 is an equidigital number, since it uses as much as digits as its factorization.

12320201 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 12320201 is about 3510.0143874349. The cubic root of 12320201 is about 230.9613260843.

Adding to 12320201 its reverse (10202321), we get a palindrome (22522522).

It can be divided in two parts, 12320 and 201, that added together give a palindrome (12521).

The spelling of 12320201 in words is "twelve million, three hundred twenty thousand, two hundred one".