12333231121 has 4 divisors (see below), whose sum is σ = 12334003200. Its totient is φ = 12332459044.

The previous prime is 12333231103. The next prime is 12333231149. The reversal of 12333231121 is 12113233321.

12333231121 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, 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 12333231121 - 2¹³ = 12333222929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12333231092 and 12333231101.

It is not an unprimeable number, because it can be changed into a prime (12333231101) 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, 361561 + ... + 394198.

It is an arithmetic number, because the mean of its divisors is an integer number (3083500800).

Almost surely, 2^12333231121 is an apocalyptic number.

It is an amenable number.

12333231121 is a deficient number, since it is larger than the sum of its proper divisors (772079).

12333231121 is an equidigital number, since it uses as much as digits as its factorization.

12333231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772078.

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

Adding to 12333231121 its reverse (12113233321), we get a palindrome (24446464442).

The spelling of 12333231121 in words is "twelve billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty-one".