12255301331 has 32 divisors (see below), whose sum is σ = 15624204288. Its totient is φ = 9351054720.

The previous prime is 12255301327. The next prime is 12255301337. The reversal of 12255301331 is 13310355221.

It is not a de Polignac number, because 12255301331 - 2² = 12255301327 is a prime.

It is a super-2 number, since 2×12255301331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12255301331.

It is not an unprimeable number, because it can be changed into a prime (12255301337) 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, 819140 + ... + 833966.

It is an arithmetic number, because the mean of its divisors is an integer number (488256384).

Almost surely, 2^12255301331 is an apocalyptic number.

12255301331 is a deficient number, since it is larger than the sum of its proper divisors (3368902957).

12255301331 is a wasteful number, since it uses less digits than its factorization.

12255301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12255301331 its reverse (13310355221), we get a palindrome (25565656552).

The spelling of 12255301331 in words is "twelve billion, two hundred fifty-five million, three hundred one thousand, three hundred thirty-one".