242255330312 has 12 divisors (see below), whose sum is σ = 454231354605. Its totient is φ = 121126969088.

The previous prime is 242255330311. The next prime is 242255330321. The reversal of 242255330312 is 213033552242.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 156637059076 + 85618271236 = 395774^2 + 292606^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=348034.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242255330311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1305128 + ... + 1479144.

Almost surely, 2^242255330312 is an apocalyptic number.

It is an amenable number.

242255330312 is a deficient number, since it is larger than the sum of its proper divisors (211976024293).

242255330312 is an frugal number, since it uses more digits than its factorization.

242255330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348040 (or 174019 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Multiplying 242255330312 by its sum of digits (32), we get a square (7752170569984 = 2784272²).

Adding to 242255330312 its reverse (213033552242), we get a palindrome (455288882554).

The spelling of 242255330312 in words is "two hundred forty-two billion, two hundred fifty-five million, three hundred thirty thousand, three hundred twelve".