212012067457 has 2 divisors, whose sum is σ = 212012067458. Its totient is φ = 212012067456.

The previous prime is 212012067439. The next prime is 212012067469. The reversal of 212012067457 is 754760210212.

212012067457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155708370801 + 56303696656 = 394599^2 + 237284^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012067457 - 2⁷ = 212012067329 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012067857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006033728 + 106006033729.

It is an arithmetic number, because the mean of its divisors is an integer number (106006033729).

Almost surely, 2^212012067457 is an apocalyptic number.

It is an amenable number.

212012067457 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012067457 is an equidigital number, since it uses as much as digits as its factorization.

212012067457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 212012067457 its reverse (754760210212), we get a palindrome (966772277669).

The spelling of 212012067457 in words is "two hundred twelve billion, twelve million, sixty-seven thousand, four hundred fifty-seven".