12345200225 has 6 divisors (see below), whose sum is σ = 15308048310. Its totient is φ = 9876160160.

The previous prime is 12345200209. The next prime is 12345200237. The reversal of 12345200225 is 52200254321.

It can be written as a sum of positive squares in 3 ways, for example, as 552109009 + 11793091216 = 23497^2 + 108596^2 .

It is not a de Polignac number, because 12345200225 - 2⁴ = 12345200209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12345200194 and 12345200203.

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, 246903980 + ... + 246904029.

It is an arithmetic number, because the mean of its divisors is an integer number (2551341385).

Almost surely, 2^12345200225 is an apocalyptic number.

It is an amenable number.

12345200225 is a deficient number, since it is larger than the sum of its proper divisors (2962848085).

12345200225 is an equidigital number, since it uses as much as digits as its factorization.

12345200225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493808019 (or 493808014 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12345200225 its reverse (52200254321), we get a palindrome (64545454546).

The spelling of 12345200225 in words is "twelve billion, three hundred forty-five million, two hundred thousand, two hundred twenty-five".