12122222110200 has 144 divisors (see below), whose sum is σ = 41810745589080. Its totient is φ = 3145225178880.

The previous prime is 12122222110199. The next prime is 12122222110231. The reversal of 12122222110200 is 201122222121.

It is a happy number.

12122222110200 is a `hidden beast` number, since 1 + 21 + 222 + 221 + 1 + 0 + 200 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90941074 + ... + 91074273.

Almost surely, 2^{12122222110200} is an apocalyptic number.

12122222110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122222110200 is an abundant number, since it is smaller than the sum of its proper divisors (29688523478880).

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

12122222110200 is a wasteful number, since it uses less digits than its factorization.

12122222110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182015406 (or 182015394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122222110200 its reverse (201122222121), we get a palindrome (12323344332321).

The spelling of 12122222110200 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, two hundred".