12102122200 has 96 divisors (see below), whose sum is σ = 33849619200. Its totient is φ = 3930906240.

The previous prime is 12102122191. The next prime is 12102122203. The reversal of 12102122200 is 222120121.

It is a happy number.

It is a super-2 number, since 2×12102122200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102122203) by changing a digit.

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, 200884 + ... + 254083.

It is an arithmetic number, because the mean of its divisors is an integer number (352600200).

Almost surely, 2^12102122200 is an apocalyptic number.

12102122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102122200 is an abundant number, since it is smaller than the sum of its proper divisors (21747497000).

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

12102122200 is a wasteful number, since it uses less digits than its factorization.

12102122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455009 (or 455000 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12102122200 its reverse (222120121), we get a palindrome (12324242321).

The spelling of 12102122200 in words is "twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred".