212332242233213 has 2 divisors, whose sum is σ = 212332242233214. Its totient is φ = 212332242233212.

The previous prime is 212332242233149. The next prime is 212332242233281. The reversal of 212332242233213 is 312332242233212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143793745908409 + 68538496324804 = 11991403^2 + 8278798^2 .

It is a cyclic number.

It is not a de Polignac number, because 212332242233213 - 2⁶ = 212332242233149 is a prime.

It is a super-2 number, since 2×212332242233213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212332242238213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166121116606 + 106166121116607.

It is an arithmetic number, because the mean of its divisors is an integer number (106166121116607).

Almost surely, 2^{212332242233213} is an apocalyptic number.

It is an amenable number.

212332242233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332242233213 is an equidigital number, since it uses as much as digits as its factorization.

212332242233213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 35.

Adding to 212332242233213 its reverse (312332242233212), we get a palindrome (524664484466425).

Subtracting 212332242233213 from its reverse (312332242233212), we obtain a palindrome (99999999999999).

The spelling of 212332242233213 in words is "two hundred twelve trillion, three hundred thirty-two billion, two hundred forty-two million, two hundred thirty-three thousand, two hundred thirteen".