112203212220 has 288 divisors, whose sum is σ = 381320110080. Its totient is φ = 26474273280.

The previous prime is 112203212183. The next prime is 112203212239. The reversal of 112203212220 is 22212302211.

112203212220 is a `hidden beast` number, since 1 + 122 + 0 + 321 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112203212193 and 112203212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13323171 + ... + 13331589.

It is an arithmetic number, because the mean of its divisors is an integer number (1324028160).

Almost surely, 2^112203212220 is an apocalyptic number.

112203212220 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 112203212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190660055040).

112203212220 is an abundant number, since it is smaller than the sum of its proper divisors (269116897860).

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

112203212220 is a wasteful number, since it uses less digits than its factorization.

112203212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625 (or 8620 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 112203212220 its reverse (22212302211), we get a palindrome (134415514431).

It can be divided in two parts, 112203 and 212220, that added together give a palindrome (324423).

The spelling of 112203212220 in words is "one hundred twelve billion, two hundred three million, two hundred twelve thousand, two hundred twenty".