112122211112212 has 24 divisors (see below), whose sum is σ = 224249883117120. Its totient is φ = 48051205999680.

The previous prime is 112122211112159. The next prime is 112122211112221. The reversal of 112122211112212 is 212211112221211.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47587162 + ... + 49887697.

It is an arithmetic number, because the mean of its divisors is an integer number (9343745129880).

Almost surely, 2^{112122211112212} is an apocalyptic number.

It is an amenable number.

112122211112212 is an abundant number, since it is smaller than the sum of its proper divisors (112127672004908).

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

112122211112212 is a wasteful number, since it uses less digits than its factorization.

112122211112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97515951 (or 97515949 counting only the distinct ones).

The product of its digits is 128, while the sum is 22.

Adding to 112122211112212 its reverse (212211112221211), we get a palindrome (324333323333423).

The spelling of 112122211112212 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred twelve".