12442242002 has 8 divisors (see below), whose sum is σ = 18771244236. Its totient is φ = 6185160592.

The previous prime is 12442241951. The next prime is 12442242023. The reversal of 12442242002 is 20024224421.

It can be written as a sum of positive squares in 2 ways, for example, as 10903327561 + 1538914441 = 104419^2 + 39229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 17979773 + ... + 17980464.

Almost surely, 2^12442242002 is an apocalyptic number.

12442242002 is a deficient number, since it is larger than the sum of its proper divisors (6329002234).

12442242002 is a wasteful number, since it uses less digits than its factorization.

12442242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35960412.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12442242002 its reverse (20024224421), we get a palindrome (32466466423).

The spelling of 12442242002 in words is "twelve billion, four hundred forty-two million, two hundred forty-two thousand, two".