12342220242 has 32 divisors (see below), whose sum is σ = 27585278784. Its totient is φ = 3648844800.

The previous prime is 12342220223. The next prime is 12342220249. The reversal of 12342220242 is 24202224321.

It is not an unprimeable number, because it can be changed into a prime (12342220249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277823 + ... + 2283234.

It is an arithmetic number, because the mean of its divisors is an integer number (862039962).

Almost surely, 2^12342220242 is an apocalyptic number.

12342220242 is an abundant number, since it is smaller than the sum of its proper divisors (15243058542).

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

12342220242 is a wasteful number, since it uses less digits than its factorization.

12342220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561114.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12342220242 its reverse (24202224321), we get a palindrome (36544444563).

The spelling of 12342220242 in words is "twelve billion, three hundred forty-two million, two hundred twenty thousand, two hundred forty-two".