112012142243 has 16 divisors (see below), whose sum is σ = 119405822976. Its totient is φ = 104830165440.

The previous prime is 112012142213. The next prime is 112012142279. The reversal of 112012142243 is 342241210211.

It is not a de Polignac number, because 112012142243 - 2²⁸ = 111743706787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112012142213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956408 + ... + 3984618.

It is an arithmetic number, because the mean of its divisors is an integer number (7462863936).

Almost surely, 2^112012142243 is an apocalyptic number.

112012142243 is a deficient number, since it is larger than the sum of its proper divisors (7393680733).

112012142243 is a wasteful number, since it uses less digits than its factorization.

112012142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31954.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 112012142243 its reverse (342241210211), we get a palindrome (454253352454).

The spelling of 112012142243 in words is "one hundred twelve billion, twelve million, one hundred forty-two thousand, two hundred forty-three".