13200221232 has 240 divisors, whose sum is σ = 41928506880. Its totient is φ = 3841344000.

The previous prime is 13200221231. The next prime is 13200221263. The reversal of 13200221232 is 23212200231.

13200221232 is a `hidden beast` number, since 13 + 200 + 221 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13200221231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4628607 + ... + 4631457.

It is an arithmetic number, because the mean of its divisors is an integer number (174702112).

Almost surely, 2^13200221232 is an apocalyptic number.

13200221232 is a gapful number since it is divisible by the number (12) 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 13200221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20964253440).

13200221232 is an abundant number, since it is smaller than the sum of its proper divisors (28728285648).

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

13200221232 is a wasteful number, since it uses less digits than its factorization.

13200221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13200221232 its reverse (23212200231), we get a palindrome (36412421463).

It can be divided in two parts, 13200 and 221232, that added together give a palindrome (234432).

The spelling of 13200221232 in words is "thirteen billion, two hundred million, two hundred twenty-one thousand, two hundred thirty-two".