12440210201 has 8 divisors (see below), whose sum is σ = 12757386600. Its totient is φ = 12123688960.

The previous prime is 12440210179. The next prime is 12440210203. The reversal of 12440210201 is 10201204421.

It can be written as a sum of positive squares in 4 ways, for example, as 194574601 + 12245635600 = 13949^2 + 110660^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12440210201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12440210201.

It is not an unprimeable number, because it can be changed into a prime (12440210203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125216 + ... + 201393.

It is an arithmetic number, because the mean of its divisors is an integer number (1594673325).

Almost surely, 2^12440210201 is an apocalyptic number.

It is an amenable number.

12440210201 is a deficient number, since it is larger than the sum of its proper divisors (317176399).

12440210201 is an equidigital number, since it uses as much as digits as its factorization.

12440210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327579.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12440210201 its reverse (10201204421), we get a palindrome (22641414622).

The spelling of 12440210201 in words is "twelve billion, four hundred forty million, two hundred ten thousand, two hundred one".