112120021200000 has 384 divisors, whose sum is σ = 406090610412480. Its totient is φ = 27180608000000.

The previous prime is 112120021199939. The next prime is 112120021200041. The reversal of 112120021200000 is 2120021211.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8953030 + ... + 17446970.

Almost surely, 2^{112120021200000} is an apocalyptic number.

112120021200000 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 112120021200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203045305206240).

112120021200000 is an abundant number, since it is smaller than the sum of its proper divisors (293970589212480).

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

112120021200000 is an frugal number, since it uses more digits than its factorization.

112120021200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493994 (or 8493962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112120021200000 its reverse (2120021211), we get a palindrome (112122141221211).

The spelling of 112120021200000 in words is "one hundred twelve trillion, one hundred twenty billion, twenty-one million, two hundred thousand".