12330312012 has 36 divisors (see below), whose sum is σ = 32010678336. Its totient is φ = 3999019680.

The previous prime is 12330311993. The next prime is 12330312023. The reversal of 12330312012 is 21021303321.

12330312012 is a `hidden beast` number, since 12 + 330 + 312 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4627164 + ... + 4629827.

Almost surely, 2^12330312012 is an apocalyptic number.

12330312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12330312012 is an abundant number, since it is smaller than the sum of its proper divisors (19680366324).

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

12330312012 is a wasteful number, since it uses less digits than its factorization.

12330312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257038 (or 9257033 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12330312012 its reverse (21021303321), we get a palindrome (33351615333).

The spelling of 12330312012 in words is "twelve billion, three hundred thirty million, three hundred twelve thousand, twelve".