12321312133 has 8 divisors (see below), whose sum is σ = 13270392576. Its totient is φ = 11372415600.

The previous prime is 12321312121. The next prime is 12321312161. The reversal of 12321312133 is 33121312321.

12321312133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12321312133 - 2⁹ = 12321311621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321312163) 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 7 ways as a sum of consecutive naturals, for example, 113748 + ... + 193858.

It is an arithmetic number, because the mean of its divisors is an integer number (1658799072).

Almost surely, 2^12321312133 is an apocalyptic number.

12321312133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12321312133 is a deficient number, since it is larger than the sum of its proper divisors (949080443).

12321312133 is a wasteful number, since it uses less digits than its factorization.

12321312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91955.

The product of its digits is 648, while the sum is 22.

Adding to 12321312133 its reverse (33121312321), we get a palindrome (45442624454).

The spelling of 12321312133 in words is "twelve billion, three hundred twenty-one million, three hundred twelve thousand, one hundred thirty-three".