112718821121216 has 56 divisors (see below), whose sum is σ = 225772627407360. Its totient is φ = 55832548810752.

The previous prime is 112718821121209. The next prime is 112718821121219. The reversal of 112718821121216 is 612121128817211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112718821121219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4832951 + ... + 15773238.

Almost surely, 2^{112718821121216} is an apocalyptic number.

112718821121216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

112718821121216 is an abundant number, since it is smaller than the sum of its proper divisors (113053806286144).

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

112718821121216 is a wasteful number, since it uses less digits than its factorization.

112718821121216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607001 (or 20606991 counting only the distinct ones).

The product of its digits is 43008, while the sum is 44.

Adding to 112718821121216 its reverse (612121128817211), we get a palindrome (724839949938427).

The spelling of 112718821121216 in words is "one hundred twelve trillion, seven hundred eighteen billion, eight hundred twenty-one million, one hundred twenty-one thousand, two hundred sixteen".