112012020 has 72 divisors (see below), whose sum is σ = 341044704. Its totient is φ = 29757888.

The previous prime is 112012009. The next prime is 112012037. The reversal of 112012020 is 20210211.

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 = 112011993 and 112012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54247 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (4736732).

Almost surely, 2^112012020 is an apocalyptic number.

112012020 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 112012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170522352).

112012020 is an abundant number, since it is smaller than the sum of its proper divisors (229032684).

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

112012020 is a wasteful number, since it uses less digits than its factorization.

112012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2344 counting only the distinct ones).

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

The square root of 112012020 is about 10583.5731206431. The cubic root of 112012020 is about 482.0456962123.

Adding to 112012020 its reverse (20210211), we get a palindrome (132222231).

The spelling of 112012020 in words is "one hundred twelve million, twelve thousand, twenty".