212021068907 has 2 divisors, whose sum is σ = 212021068908. Its totient is φ = 212021068906.

The previous prime is 212021068829. The next prime is 212021068939. The reversal of 212021068907 is 709860120212.

212021068907 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 is a cyclic number.

It is not a de Polignac number, because 212021068907 - 2¹⁰ = 212021067883 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021068967) 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, 106010534453 + 106010534454.

It is an arithmetic number, because the mean of its divisors is an integer number (106010534454).

Almost surely, 2^212021068907 is an apocalyptic number.

212021068907 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021068907 is an equidigital number, since it uses as much as digits as its factorization.

212021068907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 212021068907 in words is "two hundred twelve billion, twenty-one million, sixty-eight thousand, nine hundred seven".