12201205 has 4 divisors (see below), whose sum is σ = 14641452. Its totient is φ = 9760960.

The previous prime is 12201193. The next prime is 12201229. The reversal of 12201205 is 50210221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7496644 + 4704561 = 2738^2 + 2169^2 .

It is not a de Polignac number, because 12201205 - 2⁹ = 12200693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220116 + ... + 1220125.

It is an arithmetic number, because the mean of its divisors is an integer number (3660363).

Almost surely, 2^12201205 is an apocalyptic number.

It is an amenable number.

12201205 is a deficient number, since it is larger than the sum of its proper divisors (2440247).

12201205 is an equidigital number, since it uses as much as digits as its factorization.

12201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440246.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12201205 is about 3493.0223303037. The cubic root of 12201205 is about 230.2153307911.

Adding to 12201205 its reverse (50210221), we get a palindrome (62411426).

The spelling of 12201205 in words is "twelve million, two hundred one thousand, two hundred five".