112120512 has 56 divisors (see below), whose sum is σ = 339035136. Its totient is φ = 32034048.

The previous prime is 112120507. The next prime is 112120517. The reversal of 112120512 is 215021211.

It is an interprime number because it is at equal distance from previous prime (112120507) and next prime (112120517).

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×112120512² = 25142018422284288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112120491 and 112120500.

It is not an unprimeable number, because it can be changed into a prime (112120517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40368 + ... + 43055.

Almost surely, 2^112120512 is an apocalyptic number.

112120512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112120512 is an abundant number, since it is smaller than the sum of its proper divisors (226914624).

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

112120512 is an equidigital number, since it uses as much as digits as its factorization.

112120512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83445 (or 83435 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 112120512 is about 10588.6973703095. The cubic root of 112120512 is about 482.2012784015.

Adding to 112120512 its reverse (215021211), we get a palindrome (327141723).

The spelling of 112120512 in words is "one hundred twelve million, one hundred twenty thousand, five hundred twelve".