13221341292 has 48 divisors (see below), whose sum is σ = 32483615360. Its totient is φ = 4173856128.

The previous prime is 13221341261. The next prime is 13221341297. The reversal of 13221341292 is 29214312231.

It is not an unprimeable number, because it can be changed into a prime (13221341297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939903 + ... + 953865.

Almost surely, 2^13221341292 is an apocalyptic number.

13221341292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13221341292 is an abundant number, since it is smaller than the sum of its proper divisors (19262274068).

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

13221341292 is a wasteful number, since it uses less digits than its factorization.

13221341292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18142 (or 18140 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The spelling of 13221341292 in words is "thirteen billion, two hundred twenty-one million, three hundred forty-one thousand, two hundred ninety-two".