112020321424 has 80 divisors (see below), whose sum is σ = 252295744896. Its totient is φ = 47617689600.

The previous prime is 112020321397. The next prime is 112020321449. The reversal of 112020321424 is 424123020211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 112020321395 and 112020321404.

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 15 ways as a sum of consecutive naturals, for example, 350509 + ... + 588979.

Almost surely, 2^112020321424 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 112020321424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126147872448).

112020321424 is an abundant number, since it is smaller than the sum of its proper divisors (140275423472).

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

112020321424 is a wasteful number, since it uses less digits than its factorization.

112020321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238664 (or 238658 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 112020321424 its reverse (424123020211), we get a palindrome (536143341635).

The spelling of 112020321424 in words is "one hundred twelve billion, twenty million, three hundred twenty-one thousand, four hundred twenty-four".