12120144122 has 8 divisors (see below), whose sum is σ = 18204108372. Its totient is φ = 6052108000.

The previous prime is 12120144103. The next prime is 12120144133. The reversal of 12120144122 is 22144102121.

It can be written as a sum of positive squares in 2 ways, for example, as 8273539681 + 3846604441 = 90959^2 + 62021^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12120144094 and 12120144103.

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, 3980129 + ... + 3983172.

Almost surely, 2^12120144122 is an apocalyptic number.

12120144122 is a deficient number, since it is larger than the sum of its proper divisors (6083964250).

12120144122 is an equidigital number, since it uses as much as digits as its factorization.

12120144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964064.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12120144122 its reverse (22144102121), we get a palindrome (34264246243).

The spelling of 12120144122 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, one hundred twenty-two".