12471420025 has 12 divisors (see below), whose sum is σ = 15466113900. Its totient is φ = 9976134080.

The previous prime is 12471420011. The next prime is 12471420067. The reversal of 12471420025 is 52002417421.

It can be written as a sum of positive squares in 6 ways, for example, as 1591052544 + 10880367481 = 39888^2 + 104309^2 .

It is not a de Polignac number, because 12471420025 - 2⁵ = 12471419993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12471419975 and 12471420002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324531 + ... + 360919.

It is an arithmetic number, because the mean of its divisors is an integer number (1288842825).

Almost surely, 2^12471420025 is an apocalyptic number.

It is an amenable number.

12471420025 is a deficient number, since it is larger than the sum of its proper divisors (2994693875).

12471420025 is a wasteful number, since it uses less digits than its factorization.

12471420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50108 (or 50103 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 12471420025 its reverse (52002417421), we get a palindrome (64473837446).

The spelling of 12471420025 in words is "twelve billion, four hundred seventy-one million, four hundred twenty thousand, twenty-five".