112223554212 has 288 divisors, whose sum is σ = 344645038080. Its totient is φ = 27598233600.

The previous prime is 112223554189. The next prime is 112223554213. The reversal of 112223554212 is 212455322211.

It is a super-2 number, since 2×112223554212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112223554212.

It is not an unprimeable number, because it can be changed into a prime (112223554213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41732964 + ... + 41735652.

It is an arithmetic number, because the mean of its divisors is an integer number (1196684160).

Almost surely, 2^112223554212 is an apocalyptic number.

112223554212 is a gapful number since it is divisible by the number (12) 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 112223554212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172322519040).

112223554212 is an abundant number, since it is smaller than the sum of its proper divisors (232421483868).

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

112223554212 is a wasteful number, since it uses less digits than its factorization.

112223554212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2790 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 112223554212 its reverse (212455322211), we get a palindrome (324678876423).

It can be divided in two parts, 112223 and 554212, that added together give a triangular number (666435 = T₁₁₅₄).

The spelling of 112223554212 in words is "one hundred twelve billion, two hundred twenty-three million, five hundred fifty-four thousand, two hundred twelve".