122212221022 has 24 divisors (see below), whose sum is σ = 192458612736. Its totient is φ = 58190739264.

The previous prime is 122212220989. The next prime is 122212221049. The reversal of 122212221022 is 220122212221.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 374878 + ... + 620449.

It is an arithmetic number, because the mean of its divisors is an integer number (8019108864).

Almost surely, 2^122212221022 is an apocalyptic number.

122212221022 is a deficient number, since it is larger than the sum of its proper divisors (70246391714).

122212221022 is an equidigital number, since it uses as much as digits as its factorization.

122212221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995460 (or 995431 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122212221022 its reverse (220122212221), we get a palindrome (342334433243).

The spelling of 122212221022 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, twenty-two".