12321210333121 has 4 divisors (see below), whose sum is σ = 12583363744512. Its totient is φ = 12059056921732.

The previous prime is 12321210333109. The next prime is 12321210333151. The reversal of 12321210333121 is 12133301212321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12321210333121 - 2¹⁵ = 12321210300353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321210333151) 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, 131076705625 + ... + 131076705718.

It is an arithmetic number, because the mean of its divisors is an integer number (3145840936128).

Almost surely, 2^{12321210333121} is an apocalyptic number.

It is an amenable number.

12321210333121 is a deficient number, since it is larger than the sum of its proper divisors (262153411391).

12321210333121 is an equidigital number, since it uses as much as digits as its factorization.

12321210333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262153411390.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12321210333121 its reverse (12133301212321), we get a palindrome (24454511545442).

The spelling of 12321210333121 in words is "twelve trillion, three hundred twenty-one billion, two hundred ten million, three hundred thirty-three thousand, one hundred twenty-one".