12234456667889 has 4 divisors (see below), whose sum is σ = 12234531821424. Its totient is φ = 12234381514356.

The previous prime is 12234456667877. The next prime is 12234456668003. The reversal of 12234456667889 is 98876665443221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12234456667889 - 2¹⁶ = 12234456602353 is a prime.

It is a super-2 number, since 2×12234456667889² (a number of 27 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 (12234456660889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37332047 + ... + 37658340.

It is an arithmetic number, because the mean of its divisors is an integer number (3058632955356).

Almost surely, 2^{12234456667889} is an apocalyptic number.

It is an amenable number.

12234456667889 is a deficient number, since it is larger than the sum of its proper divisors (75153535).

12234456667889 is an equidigital number, since it uses as much as digits as its factorization.

12234456667889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75153534.

The product of its digits is 836075520, while the sum is 71.

The spelling of 12234456667889 in words is "twelve trillion, two hundred thirty-four billion, four hundred fifty-six million, six hundred sixty-seven thousand, eight hundred eighty-nine".