12120005338 has 64 divisors (see below), whose sum is σ = 21729005568. Its totient is φ = 4962634560.

The previous prime is 12120005329. The next prime is 12120005369. The reversal of 12120005338 is 83350002121.

12120005338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7915633 + ... + 7917163.

It is an arithmetic number, because the mean of its divisors is an integer number (339515712).

Almost surely, 2^12120005338 is an apocalyptic number.

12120005338 is a deficient number, since it is larger than the sum of its proper divisors (9609000230).

12120005338 is a wasteful number, since it uses less digits than its factorization.

12120005338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12120005338 its reverse (83350002121), we get a palindrome (95470007459).

The spelling of 12120005338 in words is "twelve billion, one hundred twenty million, five thousand, three hundred thirty-eight".