212222022212200 has 1152 divisors, whose sum is σ = 694023418408320. Its totient is φ = 59291263180800.

The previous prime is 212222022212177. The next prime is 212222022212201. The reversal of 212222022212200 is 2212220222212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (212222022212201) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10425004422 + ... + 10425024778.

It is an arithmetic number, because the mean of its divisors is an integer number (602450884035).

Almost surely, 2^{212222022212200} is an apocalyptic number.

212222022212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212222022212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347011709204160).

212222022212200 is an abundant number, since it is smaller than the sum of its proper divisors (481801396196120).

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

212222022212200 is a wasteful number, since it uses less digits than its factorization.

212222022212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627 (or 20611 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 212222022212200 its reverse (2212220222212), we get a palindrome (214434242434412).

The spelling of 212222022212200 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty-two million, two hundred twelve thousand, two hundred".