13230322021 has 16 divisors (see below), whose sum is σ = 15511805568. Its totient is φ = 11047507200.

The previous prime is 13230321989. The next prime is 13230322057. The reversal of 13230322021 is 12022303231.

It is a cyclic number.

It is not a de Polignac number, because 13230322021 - 2⁵ = 13230321989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13230322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230322621) 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, 164961 + ... + 231673.

It is an arithmetic number, because the mean of its divisors is an integer number (969487848).

Almost surely, 2^13230322021 is an apocalyptic number.

It is an amenable number.

13230322021 is a deficient number, since it is larger than the sum of its proper divisors (2281483547).

13230322021 is an equidigital number, since it uses as much as digits as its factorization.

13230322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67452.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13230322021 its reverse (12022303231), we get a palindrome (25252625252).

The spelling of 13230322021 in words is "thirteen billion, two hundred thirty million, three hundred twenty-two thousand, twenty-one".