12452505025 has 24 divisors (see below), whose sum is σ = 16274996280. Its totient is φ = 9436976640.

The previous prime is 12452505011. The next prime is 12452505059. The reversal of 12452505025 is 52050525421.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 6246689296 + 6205815729 = 79036^2 + 78777^2 .

It is not a de Polignac number, because 12452505025 - 2²⁹ = 11915634113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123612 + ... + 200461.

It is an arithmetic number, because the mean of its divisors is an integer number (678124845).

Almost surely, 2^12452505025 is an apocalyptic number.

It is an amenable number.

12452505025 is a deficient number, since it is larger than the sum of its proper divisors (3822491255).

12452505025 is a wasteful number, since it uses less digits than its factorization.

12452505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324165 (or 324160 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 12452505025 in words is "twelve billion, four hundred fifty-two million, five hundred five thousand, twenty-five".