12331332333121 has 4 divisors (see below), whose sum is σ = 12337711710292. Its totient is φ = 12324952955952.

The previous prime is 12331332333079. The next prime is 12331332333143. The reversal of 12331332333121 is 12133323313321.

It is a happy number.

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 9825873890625 + 2505458442496 = 3134625^2 + 1582864^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331332333121 - 2¹³ = 12331332324929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331332333181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189685686 + ... + 3189689551.

It is an arithmetic number, because the mean of its divisors is an integer number (3084427927573).

Almost surely, 2^{12331332333121} is an apocalyptic number.

It is an amenable number.

12331332333121 is a deficient number, since it is larger than the sum of its proper divisors (6379377171).

12331332333121 is an equidigital number, since it uses as much as digits as its factorization.

12331332333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379377170.

The product of its digits is 17496, while the sum is 31.

Adding to 12331332333121 its reverse (12133323313321), we get a palindrome (24464655646442).

The spelling of 12331332333121 in words is "twelve trillion, three hundred thirty-one billion, three hundred thirty-two million, three hundred thirty-three thousand, one hundred twenty-one".