12330406452 has 144 divisors (see below), whose sum is σ = 36394979712. Its totient is φ = 3220197120.

The previous prime is 12330406411. The next prime is 12330406453. The reversal of 12330406452 is 25460403321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330406453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779502 + ... + 795162.

Almost surely, 2^12330406452 is an apocalyptic number.

12330406452 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 12330406452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18197489856).

12330406452 is an abundant number, since it is smaller than the sum of its proper divisors (24064573260).

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

12330406452 is a wasteful number, since it uses less digits than its factorization.

12330406452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798 (or 15789 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12330406452 its reverse (25460403321), we get a palindrome (37790809773).

The spelling of 12330406452 in words is "twelve billion, three hundred thirty million, four hundred six thousand, four hundred fifty-two".