112542213306217 has 2 divisors, whose sum is σ = 112542213306218. Its totient is φ = 112542213306216.

The previous prime is 112542213306139. The next prime is 112542213306221. The reversal of 112542213306217 is 712603312245211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65960646451456 + 46581566854761 = 8121616^2 + 6825069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112542213306217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112542213306217.

It is not a weakly prime, because it can be changed into another prime (112542213306247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56271106653108 + 56271106653109.

It is an arithmetic number, because the mean of its divisors is an integer number (56271106653109).

Almost surely, 2^{112542213306217} is an apocalyptic number.

It is an amenable number.

112542213306217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112542213306217 is an equidigital number, since it uses as much as digits as its factorization.

112542213306217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 112542213306217 in words is "one hundred twelve trillion, five hundred forty-two billion, two hundred thirteen million, three hundred six thousand, two hundred seventeen".