212220110112 has 96 divisors (see below), whose sum is σ = 559091756160. Its totient is φ = 70484643840.

The previous prime is 212220110051. The next prime is 212220110117. The reversal of 212220110112 is 211011022212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 212220110091 and 212220110100.

It is not an unprimeable number, because it can be changed into a prime (212220110117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67995912 + ... + 67999032.

It is an arithmetic number, because the mean of its divisors is an integer number (5823872460).

Almost surely, 2^212220110112 is an apocalyptic number.

It is an amenable number.

212220110112 is an abundant number, since it is smaller than the sum of its proper divisors (346871646048).

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

212220110112 is a wasteful number, since it uses less digits than its factorization.

212220110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466 (or 5458 counting only the distinct ones).

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

Adding to 212220110112 its reverse (211011022212), we get a palindrome (423231132324).

The spelling of 212220110112 in words is "two hundred twelve billion, two hundred twenty million, one hundred ten thousand, one hundred twelve".