12322003011221 has 4 divisors (see below), whose sum is σ = 12332262798444. Its totient is φ = 12311743224000.

The previous prime is 12322003011217. The next prime is 12322003011247. The reversal of 12322003011221 is 12211030022321.

12322003011221 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 2310442560196 + 10011560451025 = 1520014^2 + 3164105^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322003011221 - 2² = 12322003011217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12322003011193 and 12322003011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322003011121) 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, 5129891810 + ... + 5129894211.

It is an arithmetic number, because the mean of its divisors is an integer number (3083065699611).

Almost surely, 2^{12322003011221} is an apocalyptic number.

It is an amenable number.

12322003011221 is a deficient number, since it is larger than the sum of its proper divisors (10259787223).

12322003011221 is a wasteful number, since it uses less digits than its factorization.

12322003011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259787222.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12322003011221 its reverse (12211030022321), we get a palindrome (24533033033542).

The spelling of 12322003011221 in words is "twelve trillion, three hundred twenty-two billion, three million, eleven thousand, two hundred twenty-one".