112120211222012 has 12 divisors (see below), whose sum is σ = 224240422444080. Its totient is φ = 48051519095136.

The previous prime is 112120211222011. The next prime is 112120211222027. The reversal of 112120211222012 is 210222112021211.

112120211222012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120211222011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2002146628937 + ... + 2002146628992.

It is an arithmetic number, because the mean of its divisors is an integer number (18686701870340).

Almost surely, 2^{112120211222012} is an apocalyptic number.

It is an amenable number.

112120211222012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112120211222012 is a wasteful number, since it uses less digits than its factorization.

112120211222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004293257940 (or 4004293257938 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112120211222012 its reverse (210222112021211), we get a palindrome (322342323243223).

The spelling of 112120211222012 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, twelve".