212021112343 has 2 divisors, whose sum is σ = 212021112344. Its totient is φ = 212021112342.

The previous prime is 212021112307. The next prime is 212021112367. The reversal of 212021112343 is 343211120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021112343 - 2⁹ = 212021111831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021142343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010556171 + 106010556172.

It is an arithmetic number, because the mean of its divisors is an integer number (106010556172).

Almost surely, 2^212021112343 is an apocalyptic number.

212021112343 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021112343 is an equidigital number, since it uses as much as digits as its factorization.

212021112343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212021112343 its reverse (343211120212), we get a palindrome (555232232555).

The spelling of 212021112343 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, three hundred forty-three".