13021243068 has 24 divisors (see below), whose sum is σ = 30384887680. Its totient is φ = 4340130480.

The previous prime is 13021243063. The next prime is 13021243091. The reversal of 13021243068 is 86034212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021243063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243153 + ... + 291831.

Almost surely, 2^13021243068 is an apocalyptic number.

It is an amenable number.

13021243068 is an abundant number, since it is smaller than the sum of its proper divisors (17363644612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021243068 is a wasteful number, since it uses less digits than its factorization.

13021243068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70977 (or 70975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 13021243068 its reverse (86034212031), we get a palindrome (99055455099).

The spelling of 13021243068 in words is "thirteen billion, twenty-one million, two hundred forty-three thousand, sixty-eight".