112120012240 has 20 divisors (see below), whose sum is σ = 260679028644. Its totient is φ = 44848004864.

The previous prime is 112120012189. The next prime is 112120012241. The reversal of 112120012240 is 42210021211.

It can be written as a sum of positive squares in 2 ways, for example, as 32218814016 + 79901198224 = 179496^2 + 282668^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120012241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700749997 + ... + 700750156.

Almost surely, 2^112120012240 is an apocalyptic number.

112120012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120012240 is an abundant number, since it is smaller than the sum of its proper divisors (148559016404).

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

112120012240 is a wasteful number, since it uses less digits than its factorization.

112120012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401500166 (or 1401500160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112120012240 its reverse (42210021211), we get a palindrome (154330033451).

The spelling of 112120012240 in words is "one hundred twelve billion, one hundred twenty million, twelve thousand, two hundred forty".