212212444307 has 2 divisors, whose sum is σ = 212212444308. Its totient is φ = 212212444306.

The previous prime is 212212444259. The next prime is 212212444363. The reversal of 212212444307 is 703444212212.

212212444307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212212444307 - 2⁶ = 212212444243 is a prime.

It is not a weakly prime, because it can be changed into another prime (212212144307) 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, 106106222153 + 106106222154.

It is an arithmetic number, because the mean of its divisors is an integer number (106106222154).

Almost surely, 2^212212444307 is an apocalyptic number.

212212444307 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212444307 is an equidigital number, since it uses as much as digits as its factorization.

212212444307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 212212444307 its reverse (703444212212), we get a palindrome (915656656519).

The spelling of 212212444307 in words is "two hundred twelve billion, two hundred twelve million, four hundred forty-four thousand, three hundred seven".