212112311230747 has 2 divisors, whose sum is σ = 212112311230748. Its totient is φ = 212112311230746.

The previous prime is 212112311230649. The next prime is 212112311230817. The reversal of 212112311230747 is 747032113211212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112311230747 is a prime.

It is not a weakly prime, because it can be changed into another prime (212112311231747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056155615373 + 106056155615374.

It is an arithmetic number, because the mean of its divisors is an integer number (106056155615374).

Almost surely, 2^{212112311230747} is an apocalyptic number.

212112311230747 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112311230747 is an equidigital number, since it uses as much as digits as its factorization.

212112311230747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 212112311230747 its reverse (747032113211212), we get a palindrome (959144424441959).

The spelling of 212112311230747 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty thousand, seven hundred forty-seven".