12201466 has 4 divisors (see below), whose sum is σ = 18302202. Its totient is φ = 6100732.

The previous prime is 12201457. The next prime is 12201467. The reversal of 12201466 is 66410221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66410221 = 3329 ⋅19949.

It can be written as a sum of positive squares in only one way, i.e., 10055241 + 2146225 = 3171^2 + 1465^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12201467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050365 + ... + 3050368.

Almost surely, 2^12201466 is an apocalyptic number.

12201466 is a deficient number, since it is larger than the sum of its proper divisors (6100736).

12201466 is an equidigital number, since it uses as much as digits as its factorization.

12201466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100735.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12201466 is about 3493.0596903002. The cubic root of 12201466 is about 230.2169723167.

Adding to 12201466 its reverse (66410221), we get a palindrome (78611687).

The spelling of 12201466 in words is "twelve million, two hundred one thousand, four hundred sixty-six".