112122012012220 has 72 divisors (see below), whose sum is σ = 274241721128256. Its totient is φ = 38393599257216.

The previous prime is 112122012012211. The next prime is 112122012012233. The reversal of 112122012012220 is 22210210221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70994484 + ... + 72556603.

It is an arithmetic number, because the mean of its divisors is an integer number (3808912793448).

Almost surely, 2^{112122012012220} is an apocalyptic number.

112122012012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122012012220 is an abundant number, since it is smaller than the sum of its proper divisors (162119709116036).

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

112122012012220 is a wasteful number, since it uses less digits than its factorization.

112122012012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143551907 (or 143551898 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112122012012220 its reverse (22210210221211), we get a palindrome (134332222233431).

The spelling of 112122012012220 in words is "one hundred twelve trillion, one hundred twenty-two billion, twelve million, twelve thousand, two hundred twenty".