5218255220112 has 800 divisors, whose sum is σ = 17810060083200. Its totient is φ = 1458559872000.

The previous prime is 5218255220111. The next prime is 5218255220119. The reversal of 5218255220112 is 2110225528125.

5218255220112 is a `hidden beast` number, since 5 + 2 + 1 + 82 + 552 + 20 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×5218255220112² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5218255220111) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3547419537 + ... + 3547421007.

It is an arithmetic number, because the mean of its divisors is an integer number (22262575104).

Almost surely, 2^{5218255220112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218255220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8905030041600).

5218255220112 is an abundant number, since it is smaller than the sum of its proper divisors (12591804863088).

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

5218255220112 is a wasteful number, since it uses less digits than its factorization.

5218255220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 5218255220112 in words is "five trillion, two hundred eighteen billion, two hundred fifty-five million, two hundred twenty thousand, one hundred twelve".