12235403225 has 6 divisors (see below), whose sum is σ = 15171900030. Its totient is φ = 9788322560.

The previous prime is 12235403209. The next prime is 12235403231. The reversal of 12235403225 is 52230453221.

It can be written as a sum of positive squares in 3 ways, for example, as 111851776 + 12123551449 = 10576^2 + 110107^2 .

It is not a de Polignac number, because 12235403225 - 2⁴ = 12235403209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244708040 + ... + 244708089.

It is an arithmetic number, because the mean of its divisors is an integer number (2528650005).

Almost surely, 2^12235403225 is an apocalyptic number.

It is an amenable number.

12235403225 is a deficient number, since it is larger than the sum of its proper divisors (2936496805).

12235403225 is an equidigital number, since it uses as much as digits as its factorization.

12235403225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489416139 (or 489416134 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 12235403225 its reverse (52230453221), we get a palindrome (64465856446).

The spelling of 12235403225 in words is "twelve billion, two hundred thirty-five million, four hundred three thousand, two hundred twenty-five".