12030223442 has 4 divisors (see below), whose sum is σ = 18045335166. Its totient is φ = 6015111720.

The previous prime is 12030223421. The next prime is 12030223459. The reversal of 12030223442 is 24432203021.

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., 11974706041 + 55517401 = 109429^2 + 7451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3007555859 + ... + 3007555862.

Almost surely, 2^12030223442 is an apocalyptic number.

12030223442 is a deficient number, since it is larger than the sum of its proper divisors (6015111724).

12030223442 is an equidigital number, since it uses as much as digits as its factorization.

12030223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015111723.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12030223442 its reverse (24432203021), we get a palindrome (36462426463).

The spelling of 12030223442 in words is "twelve billion, thirty million, two hundred twenty-three thousand, four hundred forty-two".