212212203301447 has 2 divisors, whose sum is σ = 212212203301448. Its totient is φ = 212212203301446.

The previous prime is 212212203301289. The next prime is 212212203301489. The reversal of 212212203301447 is 744103302212212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212212203301447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212212203301247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106101650723 + 106106101650724.

It is an arithmetic number, because the mean of its divisors is an integer number (106106101650724).

Almost surely, 2^{212212203301447} is an apocalyptic number.

212212203301447 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212203301447 is an equidigital number, since it uses as much as digits as its factorization.

212212203301447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 212212203301447 its reverse (744103302212212), we get a palindrome (956315505513659).

The spelling of 212212203301447 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred three million, three hundred one thousand, four hundred forty-seven".