12104232442 has 4 divisors (see below), whose sum is σ = 18156348666. Its totient is φ = 6052116220.

The previous prime is 12104232433. The next prime is 12104232443. The reversal of 12104232442 is 24423240121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11690150641 + 414081801 = 108121^2 + 20349^2 .

It is not an unprimeable number, because it can be changed into a prime (12104232443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026058109 + ... + 3026058112.

Almost surely, 2^12104232442 is an apocalyptic number.

12104232442 is a deficient number, since it is larger than the sum of its proper divisors (6052116224).

12104232442 is an equidigital number, since it uses as much as digits as its factorization.

12104232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052116223.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12104232442 its reverse (24423240121), we get a palindrome (36527472563).

The spelling of 12104232442 in words is "twelve billion, one hundred four million, two hundred thirty-two thousand, four hundred forty-two".