212030111233 has 2 divisors, whose sum is σ = 212030111234. Its totient is φ = 212030111232.

The previous prime is 212030111213. The next prime is 212030111383. The reversal of 212030111233 is 332111030212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127739763649 + 84290347584 = 357407^2 + 290328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030111233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212030111233.

It is not a weakly prime, because it can be changed into another prime (212030111213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015055616 + 106015055617.

It is an arithmetic number, because the mean of its divisors is an integer number (106015055617).

Almost surely, 2^212030111233 is an apocalyptic number.

It is an amenable number.

212030111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030111233 is an equidigital number, since it uses as much as digits as its factorization.

212030111233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212030111233 its reverse (332111030212), we get a palindrome (544141141445).

The spelling of 212030111233 in words is "two hundred twelve billion, thirty million, one hundred eleven thousand, two hundred thirty-three".