112155212000 has 192 divisors, whose sum is σ = 299404594944. Its totient is φ = 41042534400.

The previous prime is 112155211997. The next prime is 112155212047. The reversal of 112155212000 is 212551211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5866457 + ... + 5885543.

It is an arithmetic number, because the mean of its divisors is an integer number (1559398932).

Almost surely, 2^112155212000 is an apocalyptic number.

112155212000 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 112155212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149702297472).

112155212000 is an abundant number, since it is smaller than the sum of its proper divisors (187249382944).

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

112155212000 is a wasteful number, since it uses less digits than its factorization.

112155212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19238 (or 19220 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 112155212000 its reverse (212551211), we get a palindrome (112367763211).

The spelling of 112155212000 in words is "one hundred twelve billion, one hundred fifty-five million, two hundred twelve thousand".