12224032442 has 4 divisors (see below), whose sum is σ = 18336048666. Its totient is φ = 6112016220.

The previous prime is 12224032423. The next prime is 12224032517. The reversal of 12224032442 is 24423042221.

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., 8794875961 + 3429156481 = 93781^2 + 58559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056008109 + ... + 3056008112.

Almost surely, 2^12224032442 is an apocalyptic number.

12224032442 is a deficient number, since it is larger than the sum of its proper divisors (6112016224).

12224032442 is an equidigital number, since it uses as much as digits as its factorization.

12224032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112016223.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12224032442 its reverse (24423042221), we get a palindrome (36647074663).

The spelling of 12224032442 in words is "twelve billion, two hundred twenty-four million, thirty-two thousand, four hundred forty-two".