112003031220 has 192 divisors, whose sum is σ = 337698305280. Its totient is φ = 27649769472.

The previous prime is 112003031219. The next prime is 112003031263. The reversal of 112003031220 is 22130300211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112003031220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15524334 + ... + 15531546.

It is an arithmetic number, because the mean of its divisors is an integer number (1758845340).

Almost surely, 2^112003031220 is an apocalyptic number.

112003031220 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 112003031220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168849152640).

112003031220 is an abundant number, since it is smaller than the sum of its proper divisors (225695274060).

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

112003031220 is a wasteful number, since it uses less digits than its factorization.

112003031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 7552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 112003031220 its reverse (22130300211), we get a palindrome (134133331431).

The spelling of 112003031220 in words is "one hundred twelve billion, three million, thirty-one thousand, two hundred twenty".