13221032000 has 112 divisors (see below), whose sum is σ = 35718658560. Its totient is φ = 4807616000.

The previous prime is 13221031921. The next prime is 13221032009. The reversal of 13221032000 is 23012231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13221032009) 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, 12881 + ... + 163119.

Almost surely, 2^13221032000 is an apocalyptic number.

13221032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17859329280).

13221032000 is an abundant number, since it is smaller than the sum of its proper divisors (22497626560).

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

13221032000 is a wasteful number, since it uses less digits than its factorization.

13221032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150277 (or 150257 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13221032000 its reverse (23012231), we get a palindrome (13244044231).

The spelling of 13221032000 in words is "thirteen billion, two hundred twenty-one million, thirty-two thousand".