122022210212 has 60 divisors (see below), whose sum is σ = 249677498700. Its totient is φ = 52176918528.

The previous prime is 122022210187. The next prime is 122022210239. The reversal of 122022210212 is 212012220221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39460233316 + 82561976896 = 198646^2 + 287336^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 4298048 + ... + 4326344.

It is an arithmetic number, because the mean of its divisors is an integer number (4161291645).

Almost surely, 2^122022210212 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 122022210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124838749350).

122022210212 is an abundant number, since it is smaller than the sum of its proper divisors (127655288488).

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

122022210212 is an equidigital number, since it uses as much as digits as its factorization.

122022210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28778 (or 28755 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122022210212 its reverse (212012220221), we get a palindrome (334034430433).

The spelling of 122022210212 in words is "one hundred twenty-two billion, twenty-two million, two hundred ten thousand, two hundred twelve".