12303203232 has 48 divisors (see below), whose sum is σ = 32550239232. Its totient is φ = 4068771840.

The previous prime is 12303203201. The next prime is 12303203257. The reversal of 12303203232 is 23230230321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12303203199 and 12303203208.

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, 492369 + ... + 516752.

It is an arithmetic number, because the mean of its divisors is an integer number (678129984).

Almost surely, 2^12303203232 is an apocalyptic number.

12303203232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12303203232 is an abundant number, since it is smaller than the sum of its proper divisors (20247036000).

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

12303203232 is a wasteful number, since it uses less digits than its factorization.

12303203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009261 (or 1009253 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12303203232 its reverse (23230230321), we get a palindrome (35533433553).

The spelling of 12303203232 in words is "twelve billion, three hundred three million, two hundred three thousand, two hundred thirty-two".