12202022321 has 4 divisors (see below), whose sum is σ = 12212355444. Its totient is φ = 12191689200.

The previous prime is 12202022293. The next prime is 12202022369. The reversal of 12202022321 is 12322020221.

12202022321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6534943921 + 5667078400 = 80839^2 + 75280^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202022321 - 2⁶ = 12202022257 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 12202022321.

It is not an unprimeable number, because it can be changed into a prime (12202012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164790 + ... + 5167151.

It is an arithmetic number, because the mean of its divisors is an integer number (3053088861).

Almost surely, 2^12202022321 is an apocalyptic number.

It is an amenable number.

12202022321 is a deficient number, since it is larger than the sum of its proper divisors (10333123).

12202022321 is a wasteful number, since it uses less digits than its factorization.

12202022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333122.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12202022321 its reverse (12322020221), we get a palindrome (24524042542).

The spelling of 12202022321 in words is "twelve billion, two hundred two million, twenty-two thousand, three hundred twenty-one".