212443004311061 has 2 divisors, whose sum is σ = 212443004311062. Its totient is φ = 212443004311060.

The previous prime is 212443004311001. The next prime is 212443004311093. The reversal of 212443004311061 is 160113400344212.

It is an a-pointer prime, because the next prime (212443004311093) can be obtained adding 212443004311061 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196918072562500 + 15524931748561 = 14032750^2 + 3940169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212443004311061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212443004311001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106221502155530 + 106221502155531.

It is an arithmetic number, because the mean of its divisors is an integer number (106221502155531).

Almost surely, 2^{212443004311061} is an apocalyptic number.

It is an amenable number.

212443004311061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212443004311061 is an equidigital number, since it uses as much as digits as its factorization.

212443004311061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 212443004311061 its reverse (160113400344212), we get a palindrome (372556404655273).

The spelling of 212443004311061 in words is "two hundred twelve trillion, four hundred forty-three billion, four million, three hundred eleven thousand, sixty-one".