12031322110013 has 4 divisors (see below), whose sum is σ = 12097793503068. Its totient is φ = 11964850716960.

The previous prime is 12031322109979. The next prime is 12031322110037. The reversal of 12031322110013 is 31001122313021.

It is a happy number.

12031322110013 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 3755700589369 + 8275621520644 = 1937963^2 + 2876738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031322110013 - 2²⁶ = 12031255001149 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 (12031322100013) 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, 33235696256 + ... + 33235696617.

It is an arithmetic number, because the mean of its divisors is an integer number (3024448375767).

Almost surely, 2^{12031322110013} is an apocalyptic number.

It is an amenable number.

12031322110013 is a deficient number, since it is larger than the sum of its proper divisors (66471393055).

12031322110013 is an equidigital number, since it uses as much as digits as its factorization.

12031322110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66471393054.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12031322110013 its reverse (31001122313021), we get a palindrome (43032444423034).

The spelling of 12031322110013 in words is "twelve trillion, thirty-one billion, three hundred twenty-two million, one hundred ten thousand, thirteen".