12234456679 has 4 divisors (see below), whose sum is σ = 12273796080. Its totient is φ = 12195117280.

The previous prime is 12234456659. The next prime is 12234456709. The reversal of 12234456679 is 97665443221.

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

It is a cyclic number.

It is not a de Polignac number, because 12234456679 - 2⁹ = 12234456167 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234456659) 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, 19669234 + ... + 19669855.

It is an arithmetic number, because the mean of its divisors is an integer number (3068449020).

Almost surely, 2^12234456679 is an apocalyptic number.

12234456679 is a deficient number, since it is larger than the sum of its proper divisors (39339401).

12234456679 is an equidigital number, since it uses as much as digits as its factorization.

12234456679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39339400.

The product of its digits is 2177280, while the sum is 49.

The spelling of 12234456679 in words is "twelve billion, two hundred thirty-four million, four hundred fifty-six thousand, six hundred seventy-nine".