12234688889 has 4 divisors (see below), whose sum is σ = 12236496756. Its totient is φ = 12232881024.

The previous prime is 12234688871. The next prime is 12234688897. The reversal of 12234688889 is 98888643221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4651240000 + 7583448889 = 68200^2 + 87083^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234688889 - 2⁸ = 12234688633 is a prime.

It is a super-2 number, since 2×12234688889² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12234688849) 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 3 ways as a sum of consecutive naturals, for example, 893744 + ... + 907329.

It is an arithmetic number, because the mean of its divisors is an integer number (3059124189).

Almost surely, 2^12234688889 is an apocalyptic number.

It is an amenable number.

12234688889 is a deficient number, since it is larger than the sum of its proper divisors (1807867).

12234688889 is an equidigital number, since it uses as much as digits as its factorization.

12234688889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807866.

The product of its digits is 10616832, while the sum is 59.

The spelling of 12234688889 in words is "twelve billion, two hundred thirty-four million, six hundred eighty-eight thousand, eight hundred eighty-nine".