12312330231133 has 4 divisors (see below), whose sum is σ = 12327974870080. Its totient is φ = 12296685592188.

The previous prime is 12312330231023. The next prime is 12312330231161. The reversal of 12312330231133 is 33113203321321.

It is a happy number.

12312330231133 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 12312330231133 - 2²¹ = 12312328133981 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 (12312330231833) 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, 7822318293 + ... + 7822319866.

It is an arithmetic number, because the mean of its divisors is an integer number (3081993717520).

Almost surely, 2^{12312330231133} is an apocalyptic number.

It is an amenable number.

12312330231133 is a deficient number, since it is larger than the sum of its proper divisors (15644638947).

12312330231133 is an equidigital number, since it uses as much as digits as its factorization.

12312330231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644638946.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 12312330231133 its reverse (33113203321321), we get a palindrome (45425533552454).

The spelling of 12312330231133 in words is "twelve trillion, three hundred twelve billion, three hundred thirty million, two hundred thirty-one thousand, one hundred thirty-three".