12305308652 has 144 divisors (see below), whose sum is σ = 28063617120. Its totient is φ = 4673894400.

The previous prime is 12305308643. The next prime is 12305308703. The reversal of 12305308652 is 25680350321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17807627 + ... + 17808317.

It is an arithmetic number, because the mean of its divisors is an integer number (194886230).

Almost surely, 2^12305308652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12305308652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14031808560).

12305308652 is an abundant number, since it is smaller than the sum of its proper divisors (15758308468).

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

12305308652 is a wasteful number, since it uses less digits than its factorization.

12305308652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 12305308652 its reverse (25680350321), we get a palindrome (37985658973).

The spelling of 12305308652 in words is "twelve billion, three hundred five million, three hundred eight thousand, six hundred fifty-two".