212120013233322 has 96 divisors (see below), whose sum is σ = 486774691228800. Its totient is φ = 66617393863680.

The previous prime is 212120013233239. The next prime is 212120013233339. The reversal of 212120013233322 is 223332310021212.

212120013233322 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 2 + 0 + 0 + 1 + 323 + 332 + 2 = 666.

It is a super-2 number, since 2×212120013233322² (a number of 29 digits) contains 22 as substring.

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, 333897822 + ... + 334532502.

It is an arithmetic number, because the mean of its divisors is an integer number (5070569700300).

Almost surely, 2^{212120013233322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212120013233322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243387345614400).

212120013233322 is an abundant number, since it is smaller than the sum of its proper divisors (274654677995478).

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

212120013233322 is a wasteful number, since it uses less digits than its factorization.

212120013233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646828 (or 646825 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212120013233322 its reverse (223332310021212), we get a palindrome (435452323254534).

The spelling of 212120013233322 in words is "two hundred twelve trillion, one hundred twenty billion, thirteen million, two hundred thirty-three thousand, three hundred twenty-two".