212233210291 has 2 divisors, whose sum is σ = 212233210292. Its totient is φ = 212233210290.

The previous prime is 212233210247. The next prime is 212233210333. The reversal of 212233210291 is 192012332212.

212233210291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212233210291 is a prime.

It is not a weakly prime, because it can be changed into another prime (212233210991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116605145 + 106116605146.

It is an arithmetic number, because the mean of its divisors is an integer number (106116605146).

Almost surely, 2^212233210291 is an apocalyptic number.

212233210291 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233210291 is an equidigital number, since it uses as much as digits as its factorization.

212233210291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 212233210291 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred ten thousand, two hundred ninety-one".