12504514444225 has 12 divisors (see below), whose sum is σ = 15506357024176. Its totient is φ = 10003121804880.

The previous prime is 12504514444159. The next prime is 12504514444237. The reversal of 12504514444225 is 52244441540521.

It is not a de Polignac number, because 12504514444225 - 2³⁷ = 12367075490753 is a prime.

It is a Duffinian number.

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, 11722467 + ... + 12744616.

Almost surely, 2^{12504514444225} is an apocalyptic number.

It is an amenable number.

12504514444225 is a deficient number, since it is larger than the sum of its proper divisors (3001842579951).

12504514444225 is a wasteful number, since it uses less digits than its factorization.

12504514444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24487536 (or 24487531 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 12504514444225 its reverse (52244441540521), we get a palindrome (64748955984746).

The spelling of 12504514444225 in words is "twelve trillion, five hundred four billion, five hundred fourteen million, four hundred forty-four thousand, two hundred twenty-five".