13216023200 has 72 divisors (see below), whose sum is σ = 32328743328. Its totient is φ = 5275738880.

The previous prime is 13216023157. The next prime is 13216023221. The reversal of 13216023200 is 232061231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385979 + ... + 418821.

It is an arithmetic number, because the mean of its divisors is an integer number (449010324).

Almost surely, 2^13216023200 is an apocalyptic number.

13216023200 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 13216023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16164371664).

13216023200 is an abundant number, since it is smaller than the sum of its proper divisors (19112720128).

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

13216023200 is a wasteful number, since it uses less digits than its factorization.

13216023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33366 (or 33353 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13216023200 its reverse (232061231), we get a palindrome (13448084431).

The spelling of 13216023200 in words is "thirteen billion, two hundred sixteen million, twenty-three thousand, two hundred".