122212112 has 20 divisors (see below), whose sum is σ = 258312336. Its totient is φ = 55550880.

The previous prime is 122212093. The next prime is 122212141. The reversal of 122212112 is 211212221.

It is a nude number because it is divisible by every one of its digits.

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, 347018 + ... + 347369.

Almost surely, 2^122212112 is an apocalyptic number.

It is an amenable number.

122212112 is an abundant number, since it is smaller than the sum of its proper divisors (136100224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122212112 is a wasteful number, since it uses less digits than its factorization.

122212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694406 (or 694400 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 122212112 is about 11054.9587063905. The cubic root of 122212112 is about 496.2548334967.

Adding to 122212112 its reverse (211212221), we get a palindrome (333424333).

The spelling of 122212112 in words is "one hundred twenty-two million, two hundred twelve thousand, one hundred twelve".