1230300231021 has 20 divisors (see below), whose sum is σ = 1844637689664. Its totient is φ = 817173570600.

The previous prime is 1230300231007. The next prime is 1230300231031. The reversal of 1230300231021 is 1201320030321.

1230300231021 is a `hidden beast` number, since 1 + 2 + 30 + 300 + 2 + 310 + 21 = 666.

It is not a de Polignac number, because 1230300231021 - 2¹¹ = 1230300228973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230300230985 and 1230300231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230300231031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28001835 + ... + 28045736.

Almost surely, 2^{1230300231021} is an apocalyptic number.

It is an amenable number.

1230300231021 is a deficient number, since it is larger than the sum of its proper divisors (614337458643).

1230300231021 is an equidigital number, since it uses as much as digits as its factorization.

1230300231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56047854 (or 56047845 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1230300231021 its reverse (1201320030321), we get a palindrome (2431620261342).

The spelling of 1230300231021 in words is "one trillion, two hundred thirty billion, three hundred million, two hundred thirty-one thousand, twenty-one".