242443305122 has 18 divisors (see below), whose sum is σ = 364999488147. Its totient is φ = 120778433424.

The previous prime is 242443305103. The next prime is 242443305161. The reversal of 242443305122 is 221503344242.

It can be written as a sum of positive squares in 5 ways, for example, as 229365324241 + 13077980881 = 478921^2 + 114359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=348169.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 276445748 + ... + 276446624.

Almost surely, 2^242443305122 is an apocalyptic number.

242443305122 is a deficient number, since it is larger than the sum of its proper divisors (122556183025).

242443305122 is an frugal number, since it uses more digits than its factorization.

242443305122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Multiplying 242443305122 by its sum of digits (32), we get a square (7758185763904 = 2785352²).

Adding to 242443305122 its reverse (221503344242), we get a palindrome (463946649364).

The spelling of 242443305122 in words is "two hundred forty-two billion, four hundred forty-three million, three hundred five thousand, one hundred twenty-two".