12310202012021 has 16 divisors (see below), whose sum is σ = 12641571148080. Its totient is φ = 11983023636480.

The previous prime is 12310202011999. The next prime is 12310202012027. The reversal of 12310202012021 is 12021020201321.

It can be written as a sum of positive squares in 8 ways, for example, as 5125582800625 + 7184619211396 = 2263975^2 + 2680414^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310202012021 - 2³⁴ = 12293022142837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310202012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208586165 + ... + 208645173.

It is an arithmetic number, because the mean of its divisors is an integer number (790098196755).

Almost surely, 2^{12310202012021} is an apocalyptic number.

It is an amenable number.

12310202012021 is a deficient number, since it is larger than the sum of its proper divisors (331369136059).

12310202012021 is an equidigital number, since it uses as much as digits as its factorization.

12310202012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94424.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12310202012021 its reverse (12021020201321), we get a palindrome (24331222213342).

The spelling of 12310202012021 in words is "twelve trillion, three hundred ten billion, two hundred two million, twelve thousand, twenty-one".