12310130330021 has 4 divisors (see below), whose sum is σ = 12845353387872. Its totient is φ = 11774907272172.

The previous prime is 12310130329951. The next prime is 12310130330051. The reversal of 12310130330021 is 12003303101321.

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 12310130330021 - 2³⁴ = 12292950460837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12310130329975 and 12310130330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310130330051) 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, 267611528891 + ... + 267611528936.

It is an arithmetic number, because the mean of its divisors is an integer number (3211338346968).

Almost surely, 2^{12310130330021} is an apocalyptic number.

It is an amenable number.

12310130330021 is a deficient number, since it is larger than the sum of its proper divisors (535223057851).

12310130330021 is an equidigital number, since it uses as much as digits as its factorization.

12310130330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535223057850.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12310130330021 its reverse (12003303101321), we get a palindrome (24313433431342).

The spelling of 12310130330021 in words is "twelve trillion, three hundred ten billion, one hundred thirty million, three hundred thirty thousand, twenty-one".