12201322241 has 4 divisors (see below), whose sum is σ = 12202041300. Its totient is φ = 12200603184.

The previous prime is 12201322171. The next prime is 12201322261. The reversal of 12201322241 is 14222310221.

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 9801792016 + 2399530225 = 99004^2 + 48985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201322241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201322261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333446 + ... + 368223.

It is an arithmetic number, because the mean of its divisors is an integer number (3050510325).

Almost surely, 2^12201322241 is an apocalyptic number.

It is an amenable number.

12201322241 is a deficient number, since it is larger than the sum of its proper divisors (719059).

12201322241 is an equidigital number, since it uses as much as digits as its factorization.

12201322241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719058.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12201322241 its reverse (14222310221), we get a palindrome (26423632462).

The spelling of 12201322241 in words is "twelve billion, two hundred one million, three hundred twenty-two thousand, two hundred forty-one".