212321069243 has 2 divisors, whose sum is σ = 212321069244. Its totient is φ = 212321069242.

The previous prime is 212321069227. The next prime is 212321069267. The reversal of 212321069243 is 342960123212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212321069243 - 2⁴ = 212321069227 is a prime.

It is not a weakly prime, because it can be changed into another prime (212321059243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160534621 + 106160534622.

It is an arithmetic number, because the mean of its divisors is an integer number (106160534622).

Almost surely, 2^212321069243 is an apocalyptic number.

212321069243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212321069243 is an equidigital number, since it uses as much as digits as its factorization.

212321069243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 212321069243 in words is "two hundred twelve billion, three hundred twenty-one million, sixty-nine thousand, two hundred forty-three".