112101220212 has 12 divisors (see below), whose sum is σ = 261569513856. Its totient is φ = 37367073400.

The previous prime is 112101220177. The next prime is 112101220229. The reversal of 112101220212 is 212022101211.

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 = 112101220191 and 112101220200.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4670884164 + ... + 4670884187.

It is an arithmetic number, because the mean of its divisors is an integer number (21797459488).

Almost surely, 2^112101220212 is an apocalyptic number.

112101220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112101220212 is an abundant number, since it is smaller than the sum of its proper divisors (149468293644).

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

112101220212 is a wasteful number, since it uses less digits than its factorization.

112101220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341768358 (or 9341768356 counting only the distinct ones).

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

Adding to 112101220212 its reverse (212022101211), we get a palindrome (324123321423).

The spelling of 112101220212 in words is "one hundred twelve billion, one hundred one million, two hundred twenty thousand, two hundred twelve".