212333220329 has 2 divisors, whose sum is σ = 212333220330. Its totient is φ = 212333220328.

The previous prime is 212333220283. The next prime is 212333220343. The reversal of 212333220329 is 923022333212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120375690304 + 91957530025 = 346952^2 + 303245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212333220329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212333220295 and 212333220304.

It is not a weakly prime, because it can be changed into another prime (212333220529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166610164 + 106166610165.

It is an arithmetic number, because the mean of its divisors is an integer number (106166610165).

Almost surely, 2^212333220329 is an apocalyptic number.

It is an amenable number.

212333220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333220329 is an equidigital number, since it uses as much as digits as its factorization.

212333220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 212333220329 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty thousand, three hundred twenty-nine".