212112201073 has 2 divisors, whose sum is σ = 212112201074. Its totient is φ = 212112201072.

The previous prime is 212112201071. The next prime is 212112201113. The reversal of 212112201073 is 370102211212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211299266929 + 812934144 = 459673^2 + 28512^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112201073 - 2¹ = 212112201071 is a prime.

Together with 212112201071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212112201071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056100536 + 106056100537.

It is an arithmetic number, because the mean of its divisors is an integer number (106056100537).

Almost surely, 2^212112201073 is an apocalyptic number.

It is an amenable number.

212112201073 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112201073 is an equidigital number, since it uses as much as digits as its factorization.

212112201073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 212112201073 its reverse (370102211212), we get a palindrome (582214412285).

The spelling of 212112201073 in words is "two hundred twelve billion, one hundred twelve million, two hundred one thousand, seventy-three".