12530057225 has 24 divisors (see below), whose sum is σ = 17808139968. Its totient is φ = 8567236800.

The previous prime is 12530057219. The next prime is 12530057227. The reversal of 12530057225 is 52275003521.

It is not a de Polignac number, because 12530057225 - 2¹⁴ = 12530040841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12530057191 and 12530057200.

It is not an unprimeable number, because it can be changed into a prime (12530057227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42446 + ... + 163895.

It is an arithmetic number, because the mean of its divisors is an integer number (742005832).

Almost surely, 2^12530057225 is an apocalyptic number.

It is an amenable number.

12530057225 is a deficient number, since it is larger than the sum of its proper divisors (5278082743).

12530057225 is a wasteful number, since it uses less digits than its factorization.

12530057225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206705 (or 206700 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 12530057225 in words is "twelve billion, five hundred thirty million, fifty-seven thousand, two hundred twenty-five".