12234331321 has 4 divisors (see below), whose sum is σ = 12276087012. Its totient is φ = 12192575632.

The previous prime is 12234331283. The next prime is 12234331331. The reversal of 12234331321 is 12313343221.

12234331321 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 11050214400 + 1184116921 = 105120^2 + 34411^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234331321 - 2⁹ = 12234330809 is a prime.

It is a super-3 number, since 3×12234331321³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12234331331) 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 3 ways as a sum of consecutive naturals, for example, 20877406 + ... + 20877991.

It is an arithmetic number, because the mean of its divisors is an integer number (3069021753).

Almost surely, 2^12234331321 is an apocalyptic number.

It is an amenable number.

12234331321 is a deficient number, since it is larger than the sum of its proper divisors (41755691).

12234331321 is an equidigital number, since it uses as much as digits as its factorization.

12234331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41755690.

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

Adding to 12234331321 its reverse (12313343221), we get a palindrome (24547674542).

It can be divided in two parts, 122343 and 31321, that added together give a square (153664 = 392²).

The spelling of 12234331321 in words is "twelve billion, two hundred thirty-four million, three hundred thirty-one thousand, three hundred twenty-one".