12255280323055 has 288 divisors, whose sum is σ = 20675242828800. Its totient is φ = 6921908421120.

The previous prime is 12255280323053. The next prime is 12255280323067. The reversal of 12255280323055 is 55032308255221.

It is not a de Polignac number, because 12255280323055 - 2¹ = 12255280323053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255280323053) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1229580682 + ... + 1229590648.

It is an arithmetic number, because the mean of its divisors is an integer number (71789037600).

Almost surely, 2^{12255280323055} is an apocalyptic number.

12255280323055 is a deficient number, since it is larger than the sum of its proper divisors (8419962505745).

12255280323055 is a wasteful number, since it uses less digits than its factorization.

12255280323055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123 (or 10105 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 12255280323055 its reverse (55032308255221), we get a palindrome (67287588578276).

The spelling of 12255280323055 in words is "twelve trillion, two hundred fifty-five billion, two hundred eighty million, three hundred twenty-three thousand, fifty-five".