225530325012 has 12 divisors (see below), whose sum is σ = 526237425056. Its totient is φ = 75176775000.

The previous prime is 225530324959. The next prime is 225530325079. The reversal of 225530325012 is 210523035522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9397096864 + ... + 9397096887.

Almost surely, 2^225530325012 is an apocalyptic number.

It is an amenable number.

225530325012 is an abundant number, since it is smaller than the sum of its proper divisors (300707100044).

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

225530325012 is a wasteful number, since it uses less digits than its factorization.

225530325012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18794193758 (or 18794193756 counting only the distinct ones).

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

The spelling of 225530325012 in words is "two hundred twenty-five billion, five hundred thirty million, three hundred twenty-five thousand, twelve".