12110072552138 has 32 divisors (see below), whose sum is σ = 20445952815360. Its totient is φ = 5332354896960.

The previous prime is 12110072552117. The next prime is 12110072552161. The reversal of 12110072552138 is 83125527001121.

It is a happy number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 65642045 + ... + 65826272.

It is an arithmetic number, because the mean of its divisors is an integer number (638936025480).

Almost surely, 2^{12110072552138} is an apocalyptic number.

12110072552138 is a deficient number, since it is larger than the sum of its proper divisors (8335880263222).

12110072552138 is a wasteful number, since it uses less digits than its factorization.

12110072552138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131468462.

The product of its (nonzero) digits is 33600, while the sum is 38.

Adding to 12110072552138 its reverse (83125527001121), we get a palindrome (95235599553259).

The spelling of 12110072552138 in words is "twelve trillion, one hundred ten billion, seventy-two million, five hundred fifty-two thousand, one hundred thirty-eight".