12465172152025 has 12 divisors (see below), whose sum is σ = 15520949631484. Its totient is φ = 9930759552000.

The previous prime is 12465172151981. The next prime is 12465172152067. The reversal of 12465172152025 is 52025127156421.

It can be written as a sum of positive squares in 6 ways, for example, as 113465104 + 12465058686921 = 10652^2 + 3530589^2 .

It is not a de Polignac number, because 12465172152025 - 2⁹ = 12465172151513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034448096 + ... + 1034460145.

Almost surely, 2^{12465172152025} is an apocalyptic number.

It is an amenable number.

12465172152025 is a deficient number, since it is larger than the sum of its proper divisors (3055777479459).

12465172152025 is a wasteful number, since it uses less digits than its factorization.

12465172152025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068908492 (or 2068908487 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 12465172152025 in words is "twelve trillion, four hundred sixty-five billion, one hundred seventy-two million, one hundred fifty-two thousand, twenty-five".