12122200112200 has 48 divisors (see below), whose sum is σ = 28184414134500. Its totient is φ = 4848828625920.

The previous prime is 12122200112171. The next prime is 12122200112291. The reversal of 12122200112200 is 221100222121.

It is a happy number.

12122200112200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 9717821144964 + 2404378967236 = 3117342^2 + 1550606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22697836 + ... + 23225764.

Almost surely, 2^{12122200112200} is an apocalyptic number.

12122200112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122200112200 is an abundant number, since it is smaller than the sum of its proper divisors (16062214022300).

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

12122200112200 is a wasteful number, since it uses less digits than its factorization.

12122200112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642754 (or 642745 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122200112200 its reverse (221100222121), we get a palindrome (12343300334321).

The spelling of 12122200112200 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, one hundred twelve thousand, two hundred".