12200302202321 has 4 divisors (see below), whose sum is σ = 12200312672100. Its totient is φ = 12200291732544.

The previous prime is 12200302202311. The next prime is 12200302202399. The reversal of 12200302202321 is 12320220300221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7067648835025 + 5132653367296 = 2658505^2 + 2265536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200302202321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200302202293 and 12200302202302.

It is not an unprimeable number, because it can be changed into a prime (12200302202311) 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, 3231356 + ... + 5902733.

It is an arithmetic number, because the mean of its divisors is an integer number (3050078168025).

Almost surely, 2^{12200302202321} is an apocalyptic number.

It is an amenable number.

12200302202321 is a deficient number, since it is larger than the sum of its proper divisors (10469779).

12200302202321 is an equidigital number, since it uses as much as digits as its factorization.

12200302202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469778.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12200302202321 its reverse (12320220300221), we get a palindrome (24520522502542).

The spelling of 12200302202321 in words is "twelve trillion, two hundred billion, three hundred two million, two hundred two thousand, three hundred twenty-one".