12281020255 has 8 divisors (see below), whose sum is σ = 16842542112. Its totient is φ = 8421271008.

The previous prime is 12281020249. The next prime is 12281020259. The reversal of 12281020255 is 55202018221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12281020255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12281020259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175443112 + ... + 175443181.

It is an arithmetic number, because the mean of its divisors is an integer number (2105317764).

Almost surely, 2^12281020255 is an apocalyptic number.

12281020255 is a deficient number, since it is larger than the sum of its proper divisors (4561521857).

12281020255 is an equidigital number, since it uses as much as digits as its factorization.

12281020255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350886305.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 12281020255 its reverse (55202018221), we get a palindrome (67483038476).

The spelling of 12281020255 in words is "twelve billion, two hundred eighty-one million, twenty thousand, two hundred fifty-five".