12220220012200 has 24 divisors (see below), whose sum is σ = 28412011528830. Its totient is φ = 4888088004800.

The previous prime is 12220220012141. The next prime is 12220220012237. The reversal of 12220220012200 is 221002202221.

It can be written as a sum of positive squares in 3 ways, for example, as 9724281350884 + 2495938661316 = 3118378^2 + 1579854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30550549831 + ... + 30550550230.

Almost surely, 2^{12220220012200} is an apocalyptic number.

12220220012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220220012200 is an abundant number, since it is smaller than the sum of its proper divisors (16191791516630).

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

12220220012200 is a wasteful number, since it uses less digits than its factorization.

12220220012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101100077 (or 61101100068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220220012200 its reverse (221002202221), we get a palindrome (12441222214421).

The spelling of 12220220012200 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twelve thousand, two hundred".