21132300200 has 96 divisors (see below), whose sum is σ = 53680626720. Its totient is φ = 7672800000.

The previous prime is 21132300199. The next prime is 21132300247. The reversal of 21132300200 is 200323112.

It is a happy number.

It is a super-2 number, since 2×21132300200² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1513250 + ... + 1527150.

It is an arithmetic number, because the mean of its divisors is an integer number (559173195).

Almost surely, 2^21132300200 is an apocalyptic number.

21132300200 is a gapful number since it is divisible by the number (20) 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 21132300200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26840313360).

21132300200 is an abundant number, since it is smaller than the sum of its proper divisors (32548326520).

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

21132300200 is a wasteful number, since it uses less digits than its factorization.

21132300200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14619 (or 14610 counting only the distinct ones).

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

Adding to 21132300200 its reverse (200323112), we get a palindrome (21332623312).

The spelling of 21132300200 in words is "twenty-one billion, one hundred thirty-two million, three hundred thousand, two hundred".