12330312132 has 24 divisors (see below), whose sum is σ = 28829338272. Its totient is φ = 4101731200.

The previous prime is 12330312107. The next prime is 12330312151. The reversal of 12330312132 is 23121303321.

It is a junction number, because it is equal to n+sod(n) for n = 12330312099 and 12330312108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040469 + ... + 1052252.

It is an arithmetic number, because the mean of its divisors is an integer number (1201222428).

Almost surely, 2^12330312132 is an apocalyptic number.

12330312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12330312132 is an abundant number, since it is smaller than the sum of its proper divisors (16499026140).

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

12330312132 is a wasteful number, since it uses less digits than its factorization.

12330312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093219 (or 2093217 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12330312132 its reverse (23121303321), we get a palindrome (35451615453).

The spelling of 12330312132 in words is "twelve billion, three hundred thirty million, three hundred twelve thousand, one hundred thirty-two".