212220020222112 has 192 divisors, whose sum is σ = 638413522145280. Its totient is φ = 60467431025664.

The previous prime is 212220020222101. The next prime is 212220020222123. The reversal of 212220020222112 is 211222020022212.

It is an interprime number because it is at equal distance from previous prime (212220020222101) and next prime (212220020222123).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603849513 + ... + 604200855.

It is an arithmetic number, because the mean of its divisors is an integer number (3325070427840).

Almost surely, 2^{212220020222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212220020222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319206761072640).

212220020222112 is an abundant number, since it is smaller than the sum of its proper divisors (426193501923168).

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

212220020222112 is a wasteful number, since it uses less digits than its factorization.

212220020222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353835 (or 353827 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212220020222112 its reverse (211222020022212), we get a palindrome (423442040244324).

The spelling of 212220020222112 in words is "two hundred twelve trillion, two hundred twenty billion, twenty million, two hundred twenty-two thousand, one hundred twelve".