212022212200 has 96 divisors (see below), whose sum is σ = 535635360000. Its totient is φ = 77753433600.

The previous prime is 212022212197. The next prime is 212022212201. The reversal of 212022212200 is 2212220212.

It is not an unprimeable number, because it can be changed into a prime (212022212201) 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, 782125 + ... + 1017724.

It is an arithmetic number, because the mean of its divisors is an integer number (5579535000).

Almost surely, 2^212022212200 is an apocalyptic number.

212022212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022212200 is an abundant number, since it is smaller than the sum of its proper divisors (323613147800).

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

212022212200 is a wasteful number, since it uses less digits than its factorization.

212022212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799915 (or 1799906 counting only the distinct ones).

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

Adding to 212022212200 its reverse (2212220212), we get a palindrome (214234432412).

The spelling of 212022212200 in words is "two hundred twelve billion, twenty-two million, two hundred twelve thousand, two hundred".