12466223225 has 12 divisors (see below), whose sum is σ = 15835145340. Its totient is φ = 9729734400.

The previous prime is 12466223219. The next prime is 12466223249. The reversal of 12466223225 is 52232266421.

It can be written as a sum of positive squares in 6 ways, for example, as 3670784569 + 8795438656 = 60587^2 + 93784^2 .

It is not a de Polignac number, because 12466223225 - 2²⁰ = 12465174649 is a prime.

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, 6080060 + ... + 6082109.

It is an arithmetic number, because the mean of its divisors is an integer number (1319595445).

Almost surely, 2^12466223225 is an apocalyptic number.

It is an amenable number.

12466223225 is a deficient number, since it is larger than the sum of its proper divisors (3368922115).

12466223225 is a wasteful number, since it uses less digits than its factorization.

12466223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162220 (or 12162215 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

Adding to 12466223225 its reverse (52232266421), we get a palindrome (64698489646).

The spelling of 12466223225 in words is "twelve billion, four hundred sixty-six million, two hundred twenty-three thousand, two hundred twenty-five".