12310310312021 has 16 divisors (see below), whose sum is σ = 12436068902400. Its totient is φ = 12185376939648.

The previous prime is 12310310311933. The next prime is 12310310312039. The reversal of 12310310312021 is 12021301301321.

It is a happy number.

12310310312021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12310310312021 - 2³⁸ = 12035432405077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310310311984 and 12310310312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310310312051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28116260 + ... + 28550738.

It is an arithmetic number, because the mean of its divisors is an integer number (777254306400).

Almost surely, 2^{12310310312021} is an apocalyptic number.

It is an amenable number.

12310310312021 is a deficient number, since it is larger than the sum of its proper divisors (125758590379).

12310310312021 is a wasteful number, since it uses less digits than its factorization.

12310310312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435428.

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

Adding to 12310310312021 its reverse (12021301301321), we get a palindrome (24331611613342).

The spelling of 12310310312021 in words is "twelve trillion, three hundred ten billion, three hundred ten million, three hundred twelve thousand, twenty-one".