12212222200200 has 216 divisors, whose sum is σ = 45080090177850. Its totient is φ = 2960538662400.

The previous prime is 12212222200187. The next prime is 12212222200219. The reversal of 12212222200200 is 200222221221.

12212222200200 is a `hidden beast` number, since 1 + 2 + 21 + 222 + 220 + 0 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11784514048164 + 427708152036 = 3432858^2 + 653994^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 27817605 + ... + 28253204.

Almost surely, 2^{12212222200200} is an apocalyptic number.

12212222200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212222200200 is an abundant number, since it is smaller than the sum of its proper divisors (32867867977650).

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

12212222200200 is a wasteful number, since it uses less digits than its factorization.

12212222200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56070853 (or 56070830 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12212222200200 its reverse (200222221221), we get a palindrome (12412444421421).

It can be divided in two parts, 122122 and 22200200, that added together give a palindrome (22322322).

The spelling of 12212222200200 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-two million, two hundred thousand, two hundred".