12420304025 has 6 divisors (see below), whose sum is σ = 15401177022. Its totient is φ = 9936243200.

The previous prime is 12420303979. The next prime is 12420304067. The reversal of 12420304025 is 52040302421.

It is a happy number.

12420304025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2924970889 + 9495333136 = 54083^2 + 97444^2 .

It is not a de Polignac number, because 12420304025 - 2¹² = 12420299929 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 248406056 + ... + 248406105.

It is an arithmetic number, because the mean of its divisors is an integer number (2566862837).

Almost surely, 2^12420304025 is an apocalyptic number.

It is an amenable number.

12420304025 is a deficient number, since it is larger than the sum of its proper divisors (2980872997).

12420304025 is an equidigital number, since it uses as much as digits as its factorization.

12420304025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496812171 (or 496812166 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12420304025 its reverse (52040302421), we get a palindrome (64460606446).

The spelling of 12420304025 in words is "twelve billion, four hundred twenty million, three hundred four thousand, twenty-five".