13230121213 has 4 divisors (see below), whose sum is σ = 13447008508. Its totient is φ = 13013233920.

The previous prime is 13230121171. The next prime is 13230121217. The reversal of 13230121213 is 31212103231.

13230121213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7761962404 + 5468158809 = 88102^2 + 73947^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230121213 - 2¹⁷ = 13229990141 is a prime.

It is a super-2 number, since 2×13230121213² (a number of 21 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 (13230121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108443556 + ... + 108443677.

It is an arithmetic number, because the mean of its divisors is an integer number (3361752127).

Almost surely, 2^13230121213 is an apocalyptic number.

It is an amenable number.

13230121213 is a deficient number, since it is larger than the sum of its proper divisors (216887295).

13230121213 is an equidigital number, since it uses as much as digits as its factorization.

13230121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216887294.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13230121213 its reverse (31212103231), we get a palindrome (44442224444).

The spelling of 13230121213 in words is "thirteen billion, two hundred thirty million, one hundred twenty-one thousand, two hundred thirteen".