112221222212 has 12 divisors (see below), whose sum is σ = 214240515216. Its totient is φ = 51009646440.

The previous prime is 112221222149. The next prime is 112221222227. The reversal of 112221222212 is 212222122211.

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, 1275241118 + ... + 1275241205.

It is an arithmetic number, because the mean of its divisors is an integer number (17853376268).

Almost surely, 2^112221222212 is an apocalyptic number.

It is an amenable number.

112221222212 is a deficient number, since it is larger than the sum of its proper divisors (102019293004).

112221222212 is a wasteful number, since it uses less digits than its factorization.

112221222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550482338 (or 2550482336 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

Adding to 112221222212 its reverse (212222122211), we get a palindrome (324443344423).

It can be divided in two parts, 112221 and 222212, that added together give a palindrome (334433).

The spelling of 112221222212 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".