112012217143 has 2 divisors, whose sum is σ = 112012217144. Its totient is φ = 112012217142.

The previous prime is 112012217129. The next prime is 112012217159. The reversal of 112012217143 is 341712210211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112012217143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012217123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006108571 + 56006108572.

It is an arithmetic number, because the mean of its divisors is an integer number (56006108572).

Almost surely, 2^112012217143 is an apocalyptic number.

112012217143 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012217143 is an equidigital number, since it uses as much as digits as its factorization.

112012217143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 112012217143 its reverse (341712210211), we get a palindrome (453724427354).

The spelling of 112012217143 in words is "one hundred twelve billion, twelve million, two hundred seventeen thousand, one hundred forty-three".