212214223141117 has 2 divisors, whose sum is σ = 212214223141118. Its totient is φ = 212214223141116.

The previous prime is 212214223141097. The next prime is 212214223141387. The reversal of 212214223141117 is 711141322412212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115871144807716 + 96343078333401 = 10764346^2 + 9815451^2 .

It is a cyclic number.

It is not a de Polignac number, because 212214223141117 - 2⁴³ = 203418130118909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212214223144117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106107111570558 + 106107111570559.

It is an arithmetic number, because the mean of its divisors is an integer number (106107111570559).

Almost surely, 2^{212214223141117} is an apocalyptic number.

It is an amenable number.

212214223141117 is a deficient number, since it is larger than the sum of its proper divisors (1).

212214223141117 is an equidigital number, since it uses as much as digits as its factorization.

212214223141117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

Adding to 212214223141117 its reverse (711141322412212), we get a palindrome (923355545553329).

The spelling of 212214223141117 in words is "two hundred twelve trillion, two hundred fourteen billion, two hundred twenty-three million, one hundred forty-one thousand, one hundred seventeen".