12420304242 has 32 divisors (see below), whose sum is σ = 25199578752. Its totient is φ = 4080357504.

The previous prime is 12420304241. The next prime is 12420304249. The reversal of 12420304242 is 24240302421.

It is not an unprimeable number, because it can be changed into a prime (12420304241) 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, 623988 + ... + 643584.

It is an arithmetic number, because the mean of its divisors is an integer number (787486836).

Almost surely, 2^12420304242 is an apocalyptic number.

12420304242 is an abundant number, since it is smaller than the sum of its proper divisors (12779274510).

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

12420304242 is a wasteful number, since it uses less digits than its factorization.

12420304242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122.

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

Adding to 12420304242 its reverse (24240302421), we get a palindrome (36660606663).

The spelling of 12420304242 in words is "twelve billion, four hundred twenty million, three hundred four thousand, two hundred forty-two".