112012221212173 has 2 divisors, whose sum is σ = 112012221212174. Its totient is φ = 112012221212172.

The previous prime is 112012221212149. The next prime is 112012221212231. The reversal of 112012221212173 is 371212122210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102907289128329 + 9104932083844 = 10144323^2 + 3017438^2 .

It is an emirp because it is prime and its reverse (371212122210211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112012221212173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012221212273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006110606086 + 56006110606087.

It is an arithmetic number, because the mean of its divisors is an integer number (56006110606087).

Almost surely, 2^{112012221212173} is an apocalyptic number.

It is an amenable number.

112012221212173 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012221212173 is an equidigital number, since it uses as much as digits as its factorization.

112012221212173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 112012221212173 its reverse (371212122210211), we get a palindrome (483224343422384).

The spelling of 112012221212173 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred seventy-three".