242012234309 has 2 divisors, whose sum is σ = 242012234310. Its totient is φ = 242012234308.

The previous prime is 242012234293. The next prime is 242012234341. The reversal of 242012234309 is 903432210242.

It is an a-pointer prime, because the next prime (242012234341) can be obtained adding 242012234309 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175540050625 + 66472183684 = 418975^2 + 257822^2 .

It is a cyclic number.

It is not a de Polignac number, because 242012234309 - 2⁴ = 242012234293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242012234389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121006117154 + 121006117155.

It is an arithmetic number, because the mean of its divisors is an integer number (121006117155).

Almost surely, 2^242012234309 is an apocalyptic number.

It is an amenable number.

242012234309 is a deficient number, since it is larger than the sum of its proper divisors (1).

242012234309 is an equidigital number, since it uses as much as digits as its factorization.

242012234309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 242012234309 in words is "two hundred forty-two billion, twelve million, two hundred thirty-four thousand, three hundred nine".