12434221312 has 36 divisors (see below), whose sum is σ = 24829081200. Its totient is φ = 6214803968.

The previous prime is 12434221307. The next prime is 12434221333. The reversal of 12434221312 is 21312243421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837183 + ... + 851905.

It is an arithmetic number, because the mean of its divisors is an integer number (689696700).

Almost surely, 2^12434221312 is an apocalyptic number.

It is an amenable number.

12434221312 is a deficient number, since it is larger than the sum of its proper divisors (12394859888).

12434221312 is an equidigital number, since it uses as much as digits as its factorization.

12434221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18038 (or 18024 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 12434221312 its reverse (21312243421), we get a palindrome (33746464733).

The spelling of 12434221312 in words is "twelve billion, four hundred thirty-four million, two hundred twenty-one thousand, three hundred twelve".