212058975346349 has 2 divisors, whose sum is σ = 212058975346350. Its totient is φ = 212058975346348.

The previous prime is 212058975346307. The next prime is 212058975346453. The reversal of 212058975346349 is 943643579850212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203158556356900 + 8900418989449 = 14253370^2 + 2983357^2 .

It is a cyclic number.

It is not a de Polignac number, because 212058975346349 - 2¹⁶ = 212058975280813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212058975346249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106029487673174 + 106029487673175.

It is an arithmetic number, because the mean of its divisors is an integer number (106029487673175).

It is a 1-persistent number, because it is pandigital, but 2⋅212058975346349 = 424117950692698 is not.

Almost surely, 2^{212058975346349} is an apocalyptic number.

It is an amenable number.

212058975346349 is a deficient number, since it is larger than the sum of its proper divisors (1).

212058975346349 is an equidigital number, since it uses as much as digits as its factorization.

212058975346349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 391910400, while the sum is 68.

The spelling of 212058975346349 in words is "two hundred twelve trillion, fifty-eight billion, nine hundred seventy-five million, three hundred forty-six thousand, three hundred forty-nine".