12420304042 has 16 divisors (see below), whose sum is σ = 18850812480. Its totient is φ = 6136781728.

The previous prime is 12420303979. The next prime is 12420304067. The reversal of 12420304042 is 24040302421.

It is a happy number.

12420304042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298563 + ... + 337609.

It is an arithmetic number, because the mean of its divisors is an integer number (1178175780).

Almost surely, 2^12420304042 is an apocalyptic number.

12420304042 is a deficient number, since it is larger than the sum of its proper divisors (6430508438).

12420304042 is a wasteful number, since it uses less digits than its factorization.

12420304042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40925.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12420304042 its reverse (24040302421), we get a palindrome (36460606463).

The spelling of 12420304042 in words is "twelve billion, four hundred twenty million, three hundred four thousand, forty-two".