122222202212 has 12 divisors (see below), whose sum is σ = 233333295216. Its totient is φ = 55555546440.

The previous prime is 122222202209. The next prime is 122222202257. The reversal of 122222202212 is 212202222221.

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 3 ways as a sum of consecutive naturals, for example, 1388888618 + ... + 1388888705.

It is an arithmetic number, because the mean of its divisors is an integer number (19444441268).

Almost surely, 2^122222202212 is an apocalyptic number.

It is an amenable number.

122222202212 is a deficient number, since it is larger than the sum of its proper divisors (111111093004).

122222202212 is a wasteful number, since it uses less digits than its factorization.

122222202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777777338 (or 2777777336 counting only the distinct ones).

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

Adding to 122222202212 its reverse (212202222221), we get a palindrome (334424424433).

The spelling of 122222202212 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred twelve".