12009201 has 8 divisors (see below), whose sum is σ = 16445184. Its totient is φ = 7789680.

The previous prime is 12009199. The next prime is 12009209. The reversal of 12009201 is 10290021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12009201 - 2¹ = 12009199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12009209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53985 + ... + 54206.

It is an arithmetic number, because the mean of its divisors is an integer number (2055648).

Almost surely, 2^12009201 is an apocalyptic number.

It is an amenable number.

12009201 is a deficient number, since it is larger than the sum of its proper divisors (4435983).

12009201 is a wasteful number, since it uses less digits than its factorization.

12009201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108231.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12009201 is about 3465.4294106214. The cubic root of 12009201 is about 229.0013475382.

Adding to 12009201 its reverse (10290021), we get a palindrome (22299222).

It can be divided in two parts, 1200 and 9201, that added together give a palindrome (10401).

The spelling of 12009201 in words is "twelve million, nine thousand, two hundred one".