12321212342233 has 16 divisors (see below), whose sum is σ = 12371982779520. Its totient is φ = 12270556210176.

The previous prime is 12321212342227. The next prime is 12321212342249. The reversal of 12321212342233 is 33224321212321.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321212342233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321212342195 and 12321212342204.

It is not an unprimeable number, because it can be changed into a prime (12321212342203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180979385 + ... + 1180989817.

It is an arithmetic number, because the mean of its divisors is an integer number (773248923720).

Almost surely, 2^{12321212342233} is an apocalyptic number.

It is an amenable number.

12321212342233 is a deficient number, since it is larger than the sum of its proper divisors (50770437287).

12321212342233 is a wasteful number, since it uses less digits than its factorization.

12321212342233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15456.

The product of its digits is 20736, while the sum is 31.

Adding to 12321212342233 its reverse (33224321212321), we get a palindrome (45545533554554).

The spelling of 12321212342233 in words is "twelve trillion, three hundred twenty-one billion, two hundred twelve million, three hundred forty-two thousand, two hundred thirty-three".