13021223013 has 32 divisors (see below), whose sum is σ = 21188889600. Its totient is φ = 7866361008.

The previous prime is 13021222993. The next prime is 13021223027. The reversal of 13021223013 is 31032212031.

It is a de Polignac number, because none of the positive numbers 2^k-13021223013 is a prime.

It is a super-3 number, since 3×13021223013³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021223093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539995 + ... + 563592.

It is an arithmetic number, because the mean of its divisors is an integer number (662152800).

Almost surely, 2^13021223013 is an apocalyptic number.

It is an amenable number.

13021223013 is a deficient number, since it is larger than the sum of its proper divisors (8167666587).

13021223013 is a wasteful number, since it uses less digits than its factorization.

13021223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103638 (or 1103632 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13021223013 its reverse (31032212031), we get a palindrome (44053435044).

The spelling of 13021223013 in words is "thirteen billion, twenty-one million, two hundred twenty-three thousand, thirteen".