12210112202201 has 4 divisors (see below), whose sum is σ = 12211909664052. Its totient is φ = 12208314740352.

The previous prime is 12210112202191. The next prime is 12210112202207. The reversal of 12210112202201 is 10220221101221.

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 5984388582601 + 6225723619600 = 2446301^2 + 2495140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210112202201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210112202201.

It is not an unprimeable number, because it can be changed into a prime (12210112202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898720736 + ... + 898734321.

It is an arithmetic number, because the mean of its divisors is an integer number (3052977416013).

Almost surely, 2^{12210112202201} is an apocalyptic number.

It is an amenable number.

12210112202201 is a deficient number, since it is larger than the sum of its proper divisors (1797461851).

12210112202201 is an equidigital number, since it uses as much as digits as its factorization.

12210112202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797461850.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210112202201 its reverse (10220221101221), we get a palindrome (22430333303422).

The spelling of 12210112202201 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, two hundred two thousand, two hundred one".