12302020230021 has 12 divisors (see below), whose sum is σ = 17770475786700. Its totient is φ = 8200935584640.

The previous prime is 12302020229987. The next prime is 12302020230047. The reversal of 12302020230021 is 12003202020321.

12302020230021 is a `hidden beast` number, since 1 + 230 + 202 + 0 + 230 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 984440996100 + 11317579233921 = 992190^2 + 3364161^2 .

It is not a de Polignac number, because 12302020230021 - 2³⁹ = 11752264416133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12302020229976 and 12302020230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302020230421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34080100 + ... + 34439181.

It is an arithmetic number, because the mean of its divisors is an integer number (1480872982225).

Almost surely, 2^{12302020230021} is an apocalyptic number.

It is an amenable number.

12302020230021 is a deficient number, since it is larger than the sum of its proper divisors (5468455556679).

12302020230021 is a wasteful number, since it uses less digits than its factorization.

12302020230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68539236 (or 68539233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12302020230021 its reverse (12003202020321), we get a palindrome (24305222250342).

The spelling of 12302020230021 in words is "twelve trillion, three hundred two billion, twenty million, two hundred thirty thousand, twenty-one".