112020012100000 has 144 divisors (see below), whose sum is σ = 278977789966176. Its totient is φ = 44268146080000.

The previous prime is 112020012099967. The next prime is 112020012100001. The reversal of 112020012100000 is 1210020211.

It is a super-2 number, since 2×112020012100000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 112020012100000.

It is not an unprimeable number, because it can be changed into a prime (112020012100001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551807 + ... + 15048193.

It is an arithmetic number, because the mean of its divisors is an integer number (1937345763654).

Almost surely, 2^{112020012100000} is an apocalyptic number.

112020012100000 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 112020012100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139488894983088).

112020012100000 is an abundant number, since it is smaller than the sum of its proper divisors (166957777866176).

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

112020012100000 is an frugal number, since it uses more digits than its factorization.

112020012100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496505 (or 13496477 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 112020012100000 its reverse (1210020211), we get a palindrome (112021222120211).

The spelling of 112020012100000 in words is "one hundred twelve trillion, twenty billion, twelve million, one hundred thousand".