112120212012 has 12 divisors (see below), whose sum is σ = 261613828056. Its totient is φ = 37373404000.

The previous prime is 112120211981. The next prime is 112120212031. The reversal of 112120212012 is 210212021211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 112120211982 and 112120212000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671675489 + ... + 4671675512.

It is an arithmetic number, because the mean of its divisors is an integer number (21801152338).

Almost surely, 2^112120212012 is an apocalyptic number.

112120212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112120212012 is an abundant number, since it is smaller than the sum of its proper divisors (149493616044).

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

112120212012 is a wasteful number, since it uses less digits than its factorization.

112120212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343351008 (or 9343351006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112120212012 its reverse (210212021211), we get a palindrome (322332233223).

The spelling of 112120212012 in words is "one hundred twelve billion, one hundred twenty million, two hundred twelve thousand, twelve".