242240121042 has 32 divisors (see below), whose sum is σ = 488195463744. Its totient is φ = 80127936000.

The previous prime is 242240121029. The next prime is 242240121091. The reversal of 242240121042 is 240121042242.

It is a happy number.

It is a super-2 number, since 2×242240121042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249817 + ... + 2355027.

It is an arithmetic number, because the mean of its divisors is an integer number (15256108242).

Almost surely, 2^242240121042 is an apocalyptic number.

242240121042 is an abundant number, since it is smaller than the sum of its proper divisors (245955342702).

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

242240121042 is a wasteful number, since it uses less digits than its factorization.

242240121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108154.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 242240121042 its reverse (240121042242), we get a palindrome (482361163284).

The spelling of 242240121042 in words is "two hundred forty-two billion, two hundred forty million, one hundred twenty-one thousand, forty-two".