12321222003331 has 4 divisors (see below), whose sum is σ = 12718680777664. Its totient is φ = 11923763229000.

The previous prime is 12321222003319. The next prime is 12321222003359. The reversal of 12321222003331 is 13330022212321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12321222003331 - 2⁷ = 12321222003203 is a prime.

It is a super-2 number, since 2×12321222003331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321222003296 and 12321222003305.

It is not an unprimeable number, because it can be changed into a prime (12321222003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198729387120 + ... + 198729387181.

It is an arithmetic number, because the mean of its divisors is an integer number (3179670194416).

Almost surely, 2^{12321222003331} is an apocalyptic number.

12321222003331 is a deficient number, since it is larger than the sum of its proper divisors (397458774333).

12321222003331 is an equidigital number, since it uses as much as digits as its factorization.

12321222003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397458774332.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12321222003331 its reverse (13330022212321), we get a palindrome (25651244215652).

The spelling of 12321222003331 in words is "twelve trillion, three hundred twenty-one billion, two hundred twenty-two million, three thousand, three hundred thirty-one".