12322201 has 4 divisors (see below), whose sum is σ = 12449332. Its totient is φ = 12195072.

The previous prime is 12322169. The next prime is 12322207. The reversal of 12322201 is 10222321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10222321 = 17 ⋅601313.

It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 4347225 = 2824^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322201 - 2⁵ = 12322169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63420 + ... + 63613.

It is an arithmetic number, because the mean of its divisors is an integer number (3112333).

Almost surely, 2^12322201 is an apocalyptic number.

It is an amenable number.

12322201 is a deficient number, since it is larger than the sum of its proper divisors (127131).

12322201 is an equidigital number, since it uses as much as digits as its factorization.

12322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127130.

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

The square root of 12322201 is about 3510.2992749907. The cubic root of 12322201 is about 230.9738231115.

Adding to 12322201 its reverse (10222321), we get a palindrome (22544522).

The spelling of 12322201 in words is "twelve million, three hundred twenty-two thousand, two hundred one".