12422440554025 has 6 divisors (see below), whose sum is σ = 15403826287022. Its totient is φ = 9937952443200.

The previous prime is 12422440554023. The next prime is 12422440554061. The reversal of 12422440554025 is 52045504422421.

It can be written as a sum of positive squares in 3 ways, for example, as 168947305024 + 12253493249001 = 411032^2 + 3500499^2 .

It is not a de Polignac number, because 12422440554025 - 2¹ = 12422440554023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12422440554023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248448811056 + ... + 248448811105.

Almost surely, 2^{12422440554025} is an apocalyptic number.

It is an amenable number.

12422440554025 is a deficient number, since it is larger than the sum of its proper divisors (2981385732997).

12422440554025 is an equidigital number, since it uses as much as digits as its factorization.

12422440554025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496897622171 (or 496897622166 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 12422440554025 its reverse (52045504422421), we get a palindrome (64467944976446).

The spelling of 12422440554025 in words is "twelve trillion, four hundred twenty-two billion, four hundred forty million, five hundred fifty-four thousand, twenty-five".