12055224331 has 6 divisors (see below), whose sum is σ = 12806069060. Its totient is φ = 11346093216.

The previous prime is 12055224319. The next prime is 12055224341. The reversal of 12055224331 is 13342255021.

It is not a de Polignac number, because 12055224331 - 2⁹ = 12055223819 is a prime.

It is a super-2 number, since 2×12055224331² (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 12055224331.

It is not an unprimeable number, because it can be changed into a prime (12055224341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20856501 + ... + 20857078.

Almost surely, 2^12055224331 is an apocalyptic number.

12055224331 is a deficient number, since it is larger than the sum of its proper divisors (750844729).

12055224331 is an equidigital number, since it uses as much as digits as its factorization.

12055224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41713613 (or 41713596 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12055224331 its reverse (13342255021), we get a palindrome (25397479352).

The spelling of 12055224331 in words is "twelve billion, fifty-five million, two hundred twenty-four thousand, three hundred thirty-one".