212143312214243 has 2 divisors, whose sum is σ = 212143312214244. Its totient is φ = 212143312214242.

The previous prime is 212143312214179. The next prime is 212143312214357. The reversal of 212143312214243 is 342412213341212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212143312214243 - 2⁶ = 212143312214179 is a prime.

It is a super-4 number, since 4×212143312214243⁴ (a number of 58 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (212143312214543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106071656107121 + 106071656107122.

It is an arithmetic number, because the mean of its divisors is an integer number (106071656107122).

Almost surely, 2^{212143312214243} is an apocalyptic number.

212143312214243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212143312214243 is an equidigital number, since it uses as much as digits as its factorization.

212143312214243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

Adding to 212143312214243 its reverse (342412213341212), we get a palindrome (554555525555455).

The spelling of 212143312214243 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred twelve million, two hundred fourteen thousand, two hundred forty-three".