12000054255 has 16 divisors (see below), whose sum is σ = 21942956544. Its totient is φ = 5485739040.

The previous prime is 12000054251. The next prime is 12000054263. The reversal of 12000054255 is 55245000021.

It is a happy number.

It is not a de Polignac number, because 12000054255 - 2² = 12000054251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000054251) 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 15 ways as a sum of consecutive naturals, for example, 57143011 + ... + 57143220.

It is an arithmetic number, because the mean of its divisors is an integer number (1371434784).

Almost surely, 2^12000054255 is an apocalyptic number.

12000054255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12000054255 is a deficient number, since it is larger than the sum of its proper divisors (9942902289).

12000054255 is a wasteful number, since it uses less digits than its factorization.

12000054255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114286246.

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 12000054255 its reverse (55245000021), we get a palindrome (67245054276).

The spelling of 12000054255 in words is "twelve billion, fifty-four thousand, two hundred fifty-five".