12330012312 has 96 divisors (see below), whose sum is σ = 34331478480. Its totient is φ = 3994824960.

The previous prime is 12330012283. The next prime is 12330012391. The reversal of 12330012312 is 21321003321.

12330012312 is a `hidden beast` number, since 12 + 330 + 0 + 12 + 312 = 666.

It is a super-2 number, since 2×12330012312² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3655987 + ... + 3659357.

Almost surely, 2^12330012312 is an apocalyptic number.

12330012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12330012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17165739240).

12330012312 is an abundant number, since it is smaller than the sum of its proper divisors (22001466168).

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

12330012312 is a wasteful number, since it uses less digits than its factorization.

12330012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793 (or 4786 counting only the distinct ones).

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

Adding to 12330012312 its reverse (21321003321), we get a palindrome (33651015633).

The spelling of 12330012312 in words is "twelve billion, three hundred thirty million, twelve thousand, three hundred twelve".