27331530012 has 18 divisors (see below), whose sum is σ = 69088034288. Its totient is φ = 9110509992.

The previous prime is 27331529987. The next prime is 27331530013. The reversal of 27331530012 is 21003513372.

27331530012 is a `hidden beast` number, since 27 + 331 + 5 + 300 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27331530013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379604548 + ... + 379604619.

Almost surely, 2^27331530012 is an apocalyptic number.

It is an amenable number.

27331530012 is an abundant number, since it is smaller than the sum of its proper divisors (41756504276).

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

27331530012 is a wasteful number, since it uses less digits than its factorization.

27331530012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759209177 (or 759209172 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The spelling of 27331530012 in words is "twenty-seven billion, three hundred thirty-one million, five hundred thirty thousand, twelve".