13232221200 has 540 divisors, whose sum is σ = 51900769284. Its totient is φ = 3117312000.

The previous prime is 13232221157. The next prime is 13232221231. The reversal of 13232221200 is 212223231.

13232221200 is a `hidden beast` number, since 1 + 323 + 222 + 120 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13660416 + 13218560784 = 3696^2 + 114972^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 16116790 + ... + 16117610.

Almost surely, 2^13232221200 is an apocalyptic number.

13232221200 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 13232221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25950384642).

13232221200 is an abundant number, since it is smaller than the sum of its proper divisors (38668548084).

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

13232221200 is a wasteful number, since it uses less digits than its factorization.

13232221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 879 counting only the distinct ones).

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

Adding to 13232221200 its reverse (212223231), we get a palindrome (13444444431).

It can be divided in two parts, 13232 and 221200, that added together give a palindrome (234432).

The spelling of 13232221200 in words is "thirteen billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred".