112102020211212 has 144 divisors (see below), whose sum is σ = 294530426910720. Its totient is φ = 35924659785216.

The previous prime is 112102020211171. The next prime is 112102020211229. The reversal of 112102020211212 is 212112020201211.

112102020211212 is a `hidden beast` number, since 11 + 210 + 2 + 0 + 20 + 211 + 212 = 666.

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 (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129044013 + ... + 129909819.

It is an arithmetic number, because the mean of its divisors is an integer number (2045350186880).

Almost surely, 2^{112102020211212} is an apocalyptic number.

112102020211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112102020211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147265213455360).

112102020211212 is an abundant number, since it is smaller than the sum of its proper divisors (182428406699508).

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

112102020211212 is a wasteful number, since it uses less digits than its factorization.

112102020211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867220 (or 867215 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112102020211212 its reverse (212112020201211), we get a palindrome (324214040412423).

The spelling of 112102020211212 in words is "one hundred twelve trillion, one hundred two billion, twenty million, two hundred eleven thousand, two hundred twelve".