12321430112 has 24 divisors (see below), whose sum is σ = 24262882056. Its totient is φ = 6159428352.

The previous prime is 12321430091. The next prime is 12321430133. The reversal of 12321430112 is 21103412321.

It is an interprime number because it is at equal distance from previous prime (12321430091) and next prime (12321430133).

It is a congruent number.

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, 125963 + ... + 201269.

It is an arithmetic number, because the mean of its divisors is an integer number (1010953419).

Almost surely, 2^12321430112 is an apocalyptic number.

It is an amenable number.

12321430112 is a deficient number, since it is larger than the sum of its proper divisors (11941451944).

12321430112 is an equidigital number, since it uses as much as digits as its factorization.

12321430112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80430 (or 80422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12321430112 its reverse (21103412321), we get a palindrome (33424842433).

The spelling of 12321430112 in words is "twelve billion, three hundred twenty-one million, four hundred thirty thousand, one hundred twelve".