122222022212 has 48 divisors (see below), whose sum is σ = 220283691264. Its totient is φ = 59300640000.

The previous prime is 122222022211. The next prime is 122222022227. The reversal of 122222022212 is 212220222221.

It is not an unprimeable number, because it can be changed into a prime (122222022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31153283 + ... + 31157205.

It is an arithmetic number, because the mean of its divisors is an integer number (4589243568).

Almost surely, 2^122222022212 is an apocalyptic number.

It is an amenable number.

122222022212 is a deficient number, since it is larger than the sum of its proper divisors (98061669052).

122222022212 is a wasteful number, since it uses less digits than its factorization.

122222022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940 (or 4938 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122222022212 its reverse (212220222221), we get a palindrome (334442244433).

Subtracting 122222022212 from its reverse (212220222221), we obtain a square (89998200009 = 299997²).

The spelling of 122222022212 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred twelve".