242212234189 has 2 divisors, whose sum is σ = 242212234190. Its totient is φ = 242212234188.

The previous prime is 242212234171. The next prime is 242212234247. The reversal of 242212234189 is 981432212242.

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., 135234178564 + 106978055625 = 367742^2 + 327075^2 .

It is a cyclic number.

It is not a de Polignac number, because 242212234189 - 2¹⁷ = 242212103117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242212234129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121106117094 + 121106117095.

It is an arithmetic number, because the mean of its divisors is an integer number (121106117095).

Almost surely, 2^242212234189 is an apocalyptic number.

It is an amenable number.

242212234189 is a deficient number, since it is larger than the sum of its proper divisors (1).

242212234189 is an equidigital number, since it uses as much as digits as its factorization.

242212234189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The spelling of 242212234189 in words is "two hundred forty-two billion, two hundred twelve million, two hundred thirty-four thousand, one hundred eighty-nine".