112222122221212 has 12 divisors (see below), whose sum is σ = 196419891691800. Its totient is φ = 56102153166416.

The previous prime is 112222122221177. The next prime is 112222122221273. The reversal of 112222122221212 is 212122221222211.

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

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, 2226957703 + ... + 2227008094.

It is an arithmetic number, because the mean of its divisors is an integer number (16368324307650).

Almost surely, 2^{112222122221212} is an apocalyptic number.

It is an amenable number.

112222122221212 is a deficient number, since it is larger than the sum of its proper divisors (84197769470588).

112222122221212 is a wasteful number, since it uses less digits than its factorization.

112222122221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453972100 (or 4453972098 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

Adding to 112222122221212 its reverse (212122221222211), we get a palindrome (324344343443423).

Subtracting 112222122221212 from its reverse (212122221222211), we obtain a palindrome (99900099000999).

The spelling of 112222122221212 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".