12303403252 has 48 divisors (see below), whose sum is σ = 25164421632. Its totient is φ = 5154140160.

The previous prime is 12303403243. The next prime is 12303403267. The reversal of 12303403252 is 25230430321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386868 + ... + 417460.

It is an arithmetic number, because the mean of its divisors is an integer number (524258784).

Almost surely, 2^12303403252 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 12303403252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12582210816).

12303403252 is an abundant number, since it is smaller than the sum of its proper divisors (12861018380).

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

12303403252 is a wasteful number, since it uses less digits than its factorization.

12303403252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30928 (or 30926 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12303403252 its reverse (25230430321), we get a palindrome (37533833573).

The spelling of 12303403252 in words is "twelve billion, three hundred three million, four hundred three thousand, two hundred fifty-two".