12200122202201 has 4 divisors (see below), whose sum is σ = 12200210430132. Its totient is φ = 12200033974272.

The previous prime is 12200122202143. The next prime is 12200122202237. The reversal of 12200122202201 is 10220222100221.

It is a happy number.

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 1705502790601 + 10494619411600 = 1305949^2 + 3239540^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200122202201 - 2⁶ = 12200122202137 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 12200122202201.

It is not an unprimeable number, because it can be changed into a prime (12200122222201) 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, 43906220 + ... + 44183213.

It is an arithmetic number, because the mean of its divisors is an integer number (3050052607533).

Almost surely, 2^{12200122202201} is an apocalyptic number.

It is an amenable number.

12200122202201 is a deficient number, since it is larger than the sum of its proper divisors (88227931).

12200122202201 is an equidigital number, since it uses as much as digits as its factorization.

12200122202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88227930.

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

Adding to 12200122202201 its reverse (10220222100221), we get a palindrome (22420344302422).

The spelling of 12200122202201 in words is "twelve trillion, two hundred billion, one hundred twenty-two million, two hundred two thousand, two hundred one".