12204351225 has 144 divisors (see below), whose sum is σ = 25342574400. Its totient is φ = 5552064000.

The previous prime is 12204351193. The next prime is 12204351277. The reversal of 12204351225 is 52215340221.

12204351225 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 435 + 1 + 225 = 666.

It is not a de Polignac number, because 12204351225 - 2⁵ = 12204351193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5124535 + ... + 5126915.

It is an arithmetic number, because the mean of its divisors is an integer number (175990100).

Almost surely, 2^12204351225 is an apocalyptic number.

12204351225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12204351225 is an abundant number, since it is smaller than the sum of its proper divisors (13138223175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12204351225 is a wasteful number, since it uses less digits than its factorization.

12204351225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12204351225 its reverse (52215340221), we get a palindrome (64419691446).

The spelling of 12204351225 in words is "twelve billion, two hundred four million, three hundred fifty-one thousand, two hundred twenty-five".