242120124342 has 24 divisors (see below), whose sum is σ = 524908361016. Its totient is φ = 80658283776.

The previous prime is 242120124317. The next prime is 242120124371. The reversal of 242120124342 is 243421021242.

It is a happy number.

242120124342 is a `hidden beast` number, since 2 + 4 + 21 + 201 + 2 + 434 + 2 = 666.

It is a super-2 number, since 2×242120124342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4004523 + ... + 4064534.

It is an arithmetic number, because the mean of its divisors is an integer number (21871181709).

Almost surely, 2^242120124342 is an apocalyptic number.

242120124342 is an abundant number, since it is smaller than the sum of its proper divisors (282788236674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242120124342 is a wasteful number, since it uses less digits than its factorization.

242120124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070732 (or 8070729 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 242120124342 its reverse (243421021242), we get a palindrome (485541145584).

The spelling of 242120124342 in words is "two hundred forty-two billion, one hundred twenty million, one hundred twenty-four thousand, three hundred forty-two".