112020120200120 has 128 divisors (see below), whose sum is σ = 283984892282880. Its totient is φ = 39398794176000.

The previous prime is 112020120199997. The next prime is 112020120200129. The reversal of 112020120200120 is 21002021020211.

It is a junction number, because it is equal to n+sod(n) for n = 112020120200095 and 112020120200104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020120200129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22434614 + ... + 26969466.

It is an arithmetic number, because the mean of its divisors is an integer number (2218631970960).

Almost surely, 2^{112020120200120} is an apocalyptic number.

112020120200120 is a gapful number since it is divisible by the number (10) 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 112020120200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141992446141440).

112020120200120 is an abundant number, since it is smaller than the sum of its proper divisors (171964772082760).

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

112020120200120 is a wasteful number, since it uses less digits than its factorization.

112020120200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536717 (or 4536713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112020120200120 its reverse (21002021020211), we get a palindrome (133022141220331).

The spelling of 112020120200120 in words is "one hundred twelve trillion, twenty billion, one hundred twenty million, two hundred thousand, one hundred twenty".