112012718021 has 8 divisors (see below), whose sum is σ = 118718110080. Its totient is φ = 105320260288.

The previous prime is 112012717991. The next prime is 112012718029. The reversal of 112012718021 is 120817210211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112012718021 - 2¹⁰ = 112012716997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012718029) 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, 3215741 + ... + 3250386.

It is an arithmetic number, because the mean of its divisors is an integer number (14839763760).

Almost surely, 2^112012718021 is an apocalyptic number.

It is an amenable number.

112012718021 is a deficient number, since it is larger than the sum of its proper divisors (6705392059).

112012718021 is a wasteful number, since it uses less digits than its factorization.

112012718021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467163.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 112012718021 its reverse (120817210211), we get a palindrome (232829928232).

The spelling of 112012718021 in words is "one hundred twelve billion, twelve million, seven hundred eighteen thousand, twenty-one".