212021122332200 has 192 divisors, whose sum is σ = 502204080006720. Its totient is φ = 83230813440000.

The previous prime is 212021122332133. The next prime is 212021122332233. The reversal of 212021122332200 is 2233221120212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2725133300 + ... + 2725211100.

It is an arithmetic number, because the mean of its divisors is an integer number (2615646250035).

Almost surely, 2^{212021122332200} is an apocalyptic number.

212021122332200 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 212021122332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251102040003360).

212021122332200 is an abundant number, since it is smaller than the sum of its proper divisors (290182957674520).

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

212021122332200 is a wasteful number, since it uses less digits than its factorization.

212021122332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78988 (or 78979 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212021122332200 its reverse (2233221120212), we get a palindrome (214254343452412).

The spelling of 212021122332200 in words is "two hundred twelve trillion, twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, two hundred".