12321024342 has 32 divisors (see below), whose sum is σ = 26886228480. Its totient is φ = 3733089120.

The previous prime is 12321024319. The next prime is 12321024347. The reversal of 12321024342 is 24342012321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321024347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751084 + ... + 767312.

It is an arithmetic number, because the mean of its divisors is an integer number (840194640).

Almost surely, 2^12321024342 is an apocalyptic number.

12321024342 is an abundant number, since it is smaller than the sum of its proper divisors (14565204138).

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

12321024342 is a wasteful number, since it uses less digits than its factorization.

12321024342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27748.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12321024342 its reverse (24342012321), we get a palindrome (36663036663).

The spelling of 12321024342 in words is "twelve billion, three hundred twenty-one million, twenty-four thousand, three hundred forty-two".