1222210112200 has 96 divisors (see below), whose sum is σ = 3542822084160. Its totient is φ = 380948601600.

The previous prime is 1222210112131. The next prime is 1222210112203. The reversal of 1222210112200 is 22110122221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1222210112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39666747 + ... + 39697546.

It is an arithmetic number, because the mean of its divisors is an integer number (36904396710).

Almost surely, 2^{1222210112200} is an apocalyptic number.

1222210112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222210112200 is an abundant number, since it is smaller than the sum of its proper divisors (2320611971960).

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

1222210112200 is a wasteful number, since it uses less digits than its factorization.

1222210112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79364327 (or 79364318 counting only the distinct ones).

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

Adding to 1222210112200 its reverse (22110122221), we get a palindrome (1244320234421).

The spelling of 1222210112200 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred twelve thousand, two hundred".