12303130021 has 16 divisors (see below), whose sum is σ = 15939280000. Its totient is φ = 9222009408.

The previous prime is 12303130019. The next prime is 12303130033. The reversal of 12303130021 is 12003130321.

It is a cyclic number.

It is not a de Polignac number, because 12303130021 - 2¹ = 12303130019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12303129977 and 12303130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303130001) 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, 3556146 + ... + 3559603.

It is an arithmetic number, because the mean of its divisors is an integer number (996205000).

Almost surely, 2^12303130021 is an apocalyptic number.

It is an amenable number.

12303130021 is a deficient number, since it is larger than the sum of its proper divisors (3636149979).

12303130021 is a wasteful number, since it uses less digits than its factorization.

12303130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115788.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12303130021 its reverse (12003130321), we get a palindrome (24306260342).

The spelling of 12303130021 in words is "twelve billion, three hundred three million, one hundred thirty thousand, twenty-one".