12342300442 has 4 divisors (see below), whose sum is σ = 18513450666. Its totient is φ = 6171150220.

The previous prime is 12342300409. The next prime is 12342300491. The reversal of 12342300442 is 24400324321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24400324321 = 59 ⋅413564819.

It can be written as a sum of positive squares in only one way, i.e., 8649186001 + 3693114441 = 93001^2 + 60771^2 .

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 as a sum of consecutive naturals, namely, 3085575109 + ... + 3085575112.

Almost surely, 2^12342300442 is an apocalyptic number.

12342300442 is a deficient number, since it is larger than the sum of its proper divisors (6171150224).

12342300442 is an equidigital number, since it uses as much as digits as its factorization.

12342300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171150223.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12342300442 its reverse (24400324321), we get a palindrome (36742624763).

The spelling of 12342300442 in words is "twelve billion, three hundred forty-two million, three hundred thousand, four hundred forty-two".