212112121211233 has 2 divisors, whose sum is σ = 212112121211234. Its totient is φ = 212112121211232.

The previous prime is 212112121211183. The next prime is 212112121211239. The reversal of 212112121211233 is 332112121211212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159449639711569 + 52662481499664 = 12627337^2 + 7256892^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112121211233 - 2⁹ = 212112121210721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212112121211198 and 212112121211207.

It is not a weakly prime, because it can be changed into another prime (212112121211239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056060605616 + 106056060605617.

It is an arithmetic number, because the mean of its divisors is an integer number (106056060605617).

Almost surely, 2^{212112121211233} is an apocalyptic number.

It is an amenable number.

212112121211233 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112121211233 is an equidigital number, since it uses as much as digits as its factorization.

212112121211233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

Adding to 212112121211233 its reverse (332112121211212), we get a palindrome (544224242422445).

The spelling of 212112121211233 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred thirty-three".