12227664931 has 2 divisors, whose sum is σ = 12227664932. Its totient is φ = 12227664930.

The previous prime is 12227664913. The next prime is 12227664997. The reversal of 12227664931 is 13946672221.

12227664931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12227664913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12227664931 - 2¹¹ = 12227662883 is a prime.

It is a super-2 number, since 2×12227664931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12227674931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113832465 + 6113832466.

It is an arithmetic number, because the mean of its divisors is an integer number (6113832466).

Almost surely, 2^12227664931 is an apocalyptic number.

12227664931 is a deficient number, since it is larger than the sum of its proper divisors (1).

12227664931 is an equidigital number, since it uses as much as digits as its factorization.

12227664931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The spelling of 12227664931 in words is "twelve billion, two hundred twenty-seven million, six hundred sixty-four thousand, nine hundred thirty-one".