242455315451212 has 24 divisors (see below), whose sum is σ = 425218129360416. Its totient is φ = 120964690374528.

The previous prime is 242455315451197. The next prime is 242455315451213. The reversal of 242455315451212 is 212154513554242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242455315451213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30022273 + ... + 37232344.

It is an arithmetic number, because the mean of its divisors is an integer number (17717422056684).

Almost surely, 2^{242455315451212} is an apocalyptic number.

It is an amenable number.

242455315451212 is a deficient number, since it is larger than the sum of its proper divisors (182762813909204).

242455315451212 is a wasteful number, since it uses less digits than its factorization.

242455315451212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67256577 (or 67256575 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 46.

The spelling of 242455315451212 in words is "two hundred forty-two trillion, four hundred fifty-five billion, three hundred fifteen million, four hundred fifty-one thousand, two hundred twelve".