12144422002 has 8 divisors (see below), whose sum is σ = 18396996012. Its totient is φ = 6012090000.

The previous prime is 12144421973. The next prime is 12144422011. The reversal of 12144422002 is 20022444121.

It can be written as a sum of positive squares in 2 ways, for example, as 12120028281 + 24393721 = 110091^2 + 4939^2 .

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, 30060249 + ... + 30060652.

Almost surely, 2^12144422002 is an apocalyptic number.

12144422002 is a deficient number, since it is larger than the sum of its proper divisors (6252574010).

12144422002 is a wasteful number, since it uses less digits than its factorization.

12144422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60121004.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12144422002 its reverse (20022444121), we get a palindrome (32166866123).

The spelling of 12144422002 in words is "twelve billion, one hundred forty-four million, four hundred twenty-two thousand, two".