112220123112 has 32 divisors (see below), whose sum is σ = 311722564800. Its totient is φ = 37406707632.

The previous prime is 112220123107. The next prime is 112220123129. The reversal of 112220123112 is 211321022211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259768588 + ... + 259769019.

It is an arithmetic number, because the mean of its divisors is an integer number (9741330150).

Almost surely, 2^112220123112 is an apocalyptic number.

112220123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112220123112 is an abundant number, since it is smaller than the sum of its proper divisors (199502441688).

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

112220123112 is a wasteful number, since it uses less digits than its factorization.

112220123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519537622 (or 519537612 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112220123112 its reverse (211321022211), we get a palindrome (323541145323).

The spelling of 112220123112 in words is "one hundred twelve billion, two hundred twenty million, one hundred twenty-three thousand, one hundred twelve".