112020012 has 72 divisors (see below), whose sum is σ = 307930896. Its totient is φ = 34130304.

The previous prime is 112019993. The next prime is 112020043. The reversal of 112020012 is 210020211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112019976 and 112020003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48958 + ... + 51194.

It is an arithmetic number, because the mean of its divisors is an integer number (4276818).

Almost surely, 2^112020012 is an apocalyptic number.

112020012 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 112020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153965448).

112020012 is an abundant number, since it is smaller than the sum of its proper divisors (195910884).

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

112020012 is a wasteful number, since it uses less digits than its factorization.

112020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 112020012 is about 10583.9506801572. The cubic root of 112020012 is about 482.0571605104.

Adding to 112020012 its reverse (210020211), we get a palindrome (322040223).

The spelling of 112020012 in words is "one hundred twelve million, twenty thousand, twelve".