12331330331233 has 4 divisors (see below), whose sum is σ = 12335751750420. Its totient is φ = 12326908912048.

The previous prime is 12331330331231. The next prime is 12331330331251. The reversal of 12331330331233 is 33213303313321.

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 6875686355409 + 5455643975824 = 2622153^2 + 2335732^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331330331233 - 2¹ = 12331330331231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331330331195 and 12331330331204.

It is not an unprimeable number, because it can be changed into a prime (12331330331231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210705410 + ... + 2210710987.

It is an arithmetic number, because the mean of its divisors is an integer number (3083937937605).

Almost surely, 2^{12331330331233} is an apocalyptic number.

It is an amenable number.

12331330331233 is a deficient number, since it is larger than the sum of its proper divisors (4421419187).

12331330331233 is an equidigital number, since it uses as much as digits as its factorization.

12331330331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421419186.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 12331330331233 its reverse (33213303313321), we get a palindrome (45544633644554).

The spelling of 12331330331233 in words is "twelve trillion, three hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred thirty-three".