212112311231033 has 2 divisors, whose sum is σ = 212112311231034. Its totient is φ = 212112311231032.

The previous prime is 212112311231003. The next prime is 212112311231047. The reversal of 212112311231033 is 330132113211212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208695236978944 + 3417074252089 = 14446288^2 + 1848533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112311231033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212112311230993 and 212112311231011.

It is not a weakly prime, because it can be changed into another prime (212112311231003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056155615516 + 106056155615517.

It is an arithmetic number, because the mean of its divisors is an integer number (106056155615517).

Almost surely, 2^{212112311231033} is an apocalyptic number.

It is an amenable number.

212112311231033 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112311231033 is an equidigital number, since it uses as much as digits as its factorization.

212112311231033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 212112311231033 its reverse (330132113211212), we get a palindrome (542244424442245).

The spelling of 212112311231033 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-one thousand, thirty-three".