212463047 has 2 divisors, whose sum is σ = 212463048. Its totient is φ = 212463046.

The previous prime is 212463007. The next prime is 212463091. The reversal of 212463047 is 740364212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212463047 - 2⁸ = 212462791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212463007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106231523 + 106231524.

It is an arithmetic number, because the mean of its divisors is an integer number (106231524).

Almost surely, 2^212463047 is an apocalyptic number.

212463047 is a deficient number, since it is larger than the sum of its proper divisors (1).

212463047 is an equidigital number, since it uses as much as digits as its factorization.

212463047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 212463047 is about 14576.1122045626. The cubic root of 212463047 is about 596.7070035393.

The spelling of 212463047 in words is "two hundred twelve million, four hundred sixty-three thousand, forty-seven".