12229926889 has 2 divisors, whose sum is σ = 12229926890. Its totient is φ = 12229926888.

The previous prime is 12229926869. The next prime is 12229926931. The reversal of 12229926889 is 98862992221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10179195664 + 2050731225 = 100892^2 + 45285^2 .

It is a cyclic number.

It is not a de Polignac number, because 12229926889 - 2⁹ = 12229926377 is a prime.

It is a super-2 number, since 2×12229926889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12229926869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114963444 + 6114963445.

It is an arithmetic number, because the mean of its divisors is an integer number (6114963445).

Almost surely, 2^12229926889 is an apocalyptic number.

It is an amenable number.

12229926889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12229926889 is an equidigital number, since it uses as much as digits as its factorization.

12229926889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 58.

It can be divided in two parts, 1222992 and 6889, that added together give a square (1229881 = 1109²).

The spelling of 12229926889 in words is "twelve billion, two hundred twenty-nine million, nine hundred twenty-six thousand, eight hundred eighty-nine".