122231212 has 12 divisors (see below), whose sum is σ = 213985800. Its totient is φ = 61092416.

The previous prime is 122231189. The next prime is 122231279. The reversal of 122231212 is 212132221.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12423 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (17832150).

Almost surely, 2^122231212 is an apocalyptic number.

It is an amenable number.

122231212 is a deficient number, since it is larger than the sum of its proper divisors (91754588).

122231212 is a wasteful number, since it uses less digits than its factorization.

122231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600 (or 11598 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 122231212 is about 11055.8225383732. The cubic root of 122231212 is about 496.2806846540.

Adding to 122231212 its reverse (212132221), we get a palindrome (334363433).

The spelling of 122231212 in words is "one hundred twenty-two million, two hundred thirty-one thousand, two hundred twelve".