212214223144117 has 2 divisors, whose sum is σ = 212214223144118. Its totient is φ = 212214223144116.

The previous prime is 212214223144103. The next prime is 212214223144159. The reversal of 212214223144117 is 711441322412212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175996466845956 + 36217756298161 = 13266366^2 + 6018119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212214223144117 is a prime.

It is a super-2 number, since 2×212214223144117² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212214223141117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106107111572058 + 106107111572059.

It is an arithmetic number, because the mean of its divisors is an integer number (106107111572059).

Almost surely, 2^{212214223144117} is an apocalyptic number.

It is an amenable number.

212214223144117 is a deficient number, since it is larger than the sum of its proper divisors (1).

212214223144117 is an equidigital number, since it uses as much as digits as its factorization.

212214223144117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

Adding to 212214223144117 its reverse (711441322412212), we get a palindrome (923655545556329).

The spelling of 212214223144117 in words is "two hundred twelve trillion, two hundred fourteen billion, two hundred twenty-three million, one hundred forty-four thousand, one hundred seventeen".