12321200342 has 24 divisors (see below), whose sum is σ = 20352472896. Its totient is φ = 5590134000.

The previous prime is 12321200291. The next prime is 12321200369. The reversal of 12321200342 is 24300212321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83867 + ... + 177977.

It is an arithmetic number, because the mean of its divisors is an integer number (848019704).

Almost surely, 2^12321200342 is an apocalyptic number.

12321200342 is a deficient number, since it is larger than the sum of its proper divisors (8031272554).

12321200342 is a wasteful number, since it uses less digits than its factorization.

12321200342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94676 (or 94665 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12321200342 its reverse (24300212321), we get a palindrome (36621412663).

The spelling of 12321200342 in words is "twelve billion, three hundred twenty-one million, two hundred thousand, three hundred forty-two".