122217212 has 12 divisors (see below), whose sum is σ = 230332536. Its totient is φ = 56407920.

The previous prime is 122217149. The next prime is 122217259. The reversal of 122217212 is 212712221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175114 + ... + 1175217.

It is an arithmetic number, because the mean of its divisors is an integer number (19194378).

Almost surely, 2^122217212 is an apocalyptic number.

It is an amenable number.

122217212 is a deficient number, since it is larger than the sum of its proper divisors (108115324).

122217212 is a wasteful number, since it uses less digits than its factorization.

122217212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350348 (or 2350346 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 122217212 is about 11055.1893697033. The cubic root of 122217212 is about 496.2617364253.

Adding to 122217212 its reverse (212712221), we get a palindrome (334929433).

The spelling of 122217212 in words is "one hundred twenty-two million, two hundred seventeen thousand, two hundred twelve".