12321324342 has 64 divisors (see below), whose sum is σ = 29343490560. Its totient is φ = 3822347232.

The previous prime is 12321324329. The next prime is 12321324359. The reversal of 12321324342 is 24342312321.

12321324342 is a `hidden beast` number, since 12 + 3 + 213 + 2 + 434 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88108 + ... + 180015.

It is an arithmetic number, because the mean of its divisors is an integer number (458492040).

Almost surely, 2^12321324342 is an apocalyptic number.

12321324342 is an abundant number, since it is smaller than the sum of its proper divisors (17022166218).

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

12321324342 is a wasteful number, since it uses less digits than its factorization.

12321324342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268194 (or 268188 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 12321324342 its reverse (24342312321), we get a palindrome (36663636663).

The spelling of 12321324342 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-four thousand, three hundred forty-two".