12730458225 has 36 divisors (see below), whose sum is σ = 21452665136. Its totient is φ = 6661362240.

The previous prime is 12730458187. The next prime is 12730458229. The reversal of 12730458225 is 52285403721.

It is not a de Polignac number, because 12730458225 - 2⁸ = 12730457969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12730458229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 180462 + ... + 240888.

Almost surely, 2^12730458225 is an apocalyptic number.

12730458225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12730458225 is a deficient number, since it is larger than the sum of its proper divisors (8722206911).

12730458225 is an equidigital number, since it uses as much as digits as its factorization.

12730458225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60546 (or 60488 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 12730458225 in words is "twelve billion, seven hundred thirty million, four hundred fifty-eight thousand, two hundred twenty-five".