12305349500 has 24 divisors (see below), whose sum is σ = 26874884400. Its totient is φ = 4922139600.

The previous prime is 12305349437. The next prime is 12305349521. The reversal of 12305349500 is 594350321.

It is a congruent number.

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, 12304850 + ... + 12305849.

It is an arithmetic number, because the mean of its divisors is an integer number (1119786850).

Almost surely, 2^12305349500 is an apocalyptic number.

12305349500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12305349500 is an abundant number, since it is smaller than the sum of its proper divisors (14569534900).

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

12305349500 is a wasteful number, since it uses less digits than its factorization.

12305349500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24610718 (or 24610706 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 12305349500 its reverse (594350321), we get a palindrome (12899699821).

The spelling of 12305349500 in words is "twelve billion, three hundred five million, three hundred forty-nine thousand, five hundred".