12532352225 has 6 divisors (see below), whose sum is σ = 15540116790. Its totient is φ = 10025881760.

The previous prime is 12532352221. The next prime is 12532352227. The reversal of 12532352225 is 52225323521.

It can be written as a sum of positive squares in 3 ways, for example, as 2796188641 + 9736163584 = 52879^2 + 98672^2 .

It is not a de Polignac number, because 12532352225 - 2² = 12532352221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12532352191 and 12532352200.

It is not an unprimeable number, because it can be changed into a prime (12532352221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250647020 + ... + 250647069.

It is an arithmetic number, because the mean of its divisors is an integer number (2590019465).

Almost surely, 2^12532352225 is an apocalyptic number.

It is an amenable number.

12532352225 is a deficient number, since it is larger than the sum of its proper divisors (3007764565).

12532352225 is an equidigital number, since it uses as much as digits as its factorization.

12532352225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501294099 (or 501294094 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

Adding to 12532352225 its reverse (52225323521), we get a palindrome (64757675746).

The spelling of 12532352225 in words is "twelve billion, five hundred thirty-two million, three hundred fifty-two thousand, two hundred twenty-five".