12555323067 has 24 divisors (see below), whose sum is σ = 19494559056. Its totient is φ = 7166734848.

The previous prime is 12555323059. The next prime is 12555323083. The reversal of 12555323067 is 76032355521.

It is not a de Polignac number, because 12555323067 - 2³ = 12555323059 is a prime.

It is a super-2 number, since 2×12555323067² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12555323047) 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 23 ways as a sum of consecutive naturals, for example, 92163 + ... + 183315.

It is an arithmetic number, because the mean of its divisors is an integer number (812273294).

Almost surely, 2^12555323067 is an apocalyptic number.

12555323067 is a deficient number, since it is larger than the sum of its proper divisors (6939235989).

12555323067 is an equidigital number, since it uses as much as digits as its factorization.

12555323067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92107 (or 92100 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

Adding to 12555323067 its reverse (76032355521), we get a palindrome (88587678588).

The spelling of 12555323067 in words is "twelve billion, five hundred fifty-five million, three hundred twenty-three thousand, sixty-seven".