13033021213 has 4 divisors (see below), whose sum is σ = 13033314720. Its totient is φ = 13032727708.

The previous prime is 13033021189. The next prime is 13033021241. The reversal of 13033021213 is 31212033031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13033021213 - 2³³ = 4443086621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033021273) 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, 64945 + ... + 174022.

It is an arithmetic number, because the mean of its divisors is an integer number (3258328680).

Almost surely, 2^13033021213 is an apocalyptic number.

It is an amenable number.

13033021213 is a deficient number, since it is larger than the sum of its proper divisors (293507).

13033021213 is an equidigital number, since it uses as much as digits as its factorization.

13033021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293506.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13033021213 its reverse (31212033031), we get a palindrome (44245054244).

The spelling of 13033021213 in words is "thirteen billion, thirty-three million, twenty-one thousand, two hundred thirteen".