21332113201200 has 120 divisors (see below), whose sum is σ = 68335047869776. Its totient is φ = 5688465408000.

The previous prime is 21332113201187. The next prime is 21332113201237. The reversal of 21332113201200 is 210231123312.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×21332113201200² (a number of 27 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, 93054720 + ... + 93283680.

Almost surely, 2^{21332113201200} is an apocalyptic number.

21332113201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332113201200 is an abundant number, since it is smaller than the sum of its proper divisors (47002934668576).

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

21332113201200 is a wasteful number, since it uses less digits than its factorization.

21332113201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306623 (or 306612 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21332113201200 its reverse (210231123312), we get a palindrome (21542344324512).

The spelling of 21332113201200 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirteen million, two hundred one thousand, two hundred".