225355203012 has 12 divisors (see below), whose sum is σ = 525828807056. Its totient is φ = 75118401000.

The previous prime is 225355203011. The next prime is 225355203041. The reversal of 225355203012 is 210302553522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×225355203012³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225355203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9389800114 + ... + 9389800137.

Almost surely, 2^225355203012 is an apocalyptic number.

It is an amenable number.

225355203012 is an abundant number, since it is smaller than the sum of its proper divisors (300473604044).

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

225355203012 is a wasteful number, since it uses less digits than its factorization.

225355203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779600258 (or 18779600256 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 225355203012 its reverse (210302553522), we get a palindrome (435657756534).

The spelling of 225355203012 in words is "two hundred twenty-five billion, three hundred fifty-five million, two hundred three thousand, twelve".