12454012225 has 12 divisors (see below), whose sum is σ = 15860354044. Its totient is φ = 9693933120.

The previous prime is 12454012189. The next prime is 12454012231. The reversal of 12454012225 is 52221045421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 894967056 + 11559045169 = 29916^2 + 107513^2 .

It is not a de Polignac number, because 12454012225 - 2¹³ = 12454004033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12454012193 and 12454012202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6730974 + ... + 6732823.

Almost surely, 2^12454012225 is an apocalyptic number.

It is an amenable number.

12454012225 is a deficient number, since it is larger than the sum of its proper divisors (3406341819).

12454012225 is a wasteful number, since it uses less digits than its factorization.

12454012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463844 (or 13463839 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 12454012225 its reverse (52221045421), we get a palindrome (64675057646).

The spelling of 12454012225 in words is "twelve billion, four hundred fifty-four million, twelve thousand, two hundred twenty-five".