12000112555 has 32 divisors (see below), whose sum is σ = 15320954880. Its totient is φ = 9008375040.

The previous prime is 12000112513. The next prime is 12000112559. The reversal of 12000112555 is 55521100021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12000112555 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000112559) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 919959 + ... + 932911.

It is an arithmetic number, because the mean of its divisors is an integer number (478779840).

Almost surely, 2^12000112555 is an apocalyptic number.

12000112555 is a deficient number, since it is larger than the sum of its proper divisors (3320842325).

12000112555 is a wasteful number, since it uses less digits than its factorization.

12000112555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 12000112555 its reverse (55521100021), we get a palindrome (67521212576).

The spelling of 12000112555 in words is "twelve billion, one hundred twelve thousand, five hundred fifty-five".