13312231230121 has 4 divisors (see below), whose sum is σ = 13595470192512. Its totient is φ = 13028992267732.

The previous prime is 13312231230079. The next prime is 13312231230127. The reversal of 13312231230121 is 12103213221331.

13312231230121 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 13312231230121 - 2¹⁷ = 13312231099049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312231230127) 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, 141619481125 + ... + 141619481218.

It is an arithmetic number, because the mean of its divisors is an integer number (3398867548128).

Almost surely, 2^{13312231230121} is an apocalyptic number.

It is an amenable number.

13312231230121 is a deficient number, since it is larger than the sum of its proper divisors (283238962391).

13312231230121 is an equidigital number, since it uses as much as digits as its factorization.

13312231230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283238962390.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13312231230121 its reverse (12103213221331), we get a palindrome (25415444451452).

The spelling of 13312231230121 in words is "thirteen trillion, three hundred twelve billion, two hundred thirty-one million, two hundred thirty thousand, one hundred twenty-one".