13032030213221 has 4 divisors (see below), whose sum is σ = 13245670052844. Its totient is φ = 12818390373600.

The previous prime is 13032030213161. The next prime is 13032030213253. The reversal of 13032030213221 is 12231203023031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 357639880900 + 12674390332321 = 598030^2 + 3560111^2 .

It is a cyclic number.

It is not a de Polignac number, because 13032030213221 - 2¹⁰ = 13032030212197 is a prime.

It is a super-2 number, since 2×13032030213221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032030293221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106819919720 + ... + 106819919841.

It is an arithmetic number, because the mean of its divisors is an integer number (3311417513211).

Almost surely, 2^{13032030213221} is an apocalyptic number.

It is an amenable number.

13032030213221 is a deficient number, since it is larger than the sum of its proper divisors (213639839623).

13032030213221 is an equidigital number, since it uses as much as digits as its factorization.

13032030213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213639839622.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13032030213221 its reverse (12231203023031), we get a palindrome (25263233236252).

The spelling of 13032030213221 in words is "thirteen trillion, thirty-two billion, thirty million, two hundred thirteen thousand, two hundred twenty-one".