12234567779 has 8 divisors (see below), whose sum is σ = 13983496800. Its totient is φ = 10485922176.

The previous prime is 12234567749. The next prime is 12234567809. The reversal of 12234567779 is 97776543221.

12234567779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12234567749) and next prime (12234567809).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12234567779 - 2²⁸ = 11966132323 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12234567779.

It is not an unprimeable number, because it can be changed into a prime (12234567739) 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 in 7 ways as a sum of consecutive naturals, for example, 31517 + ... + 159569.

It is an arithmetic number, because the mean of its divisors is an integer number (1747937100).

Almost surely, 2^12234567779 is an apocalyptic number.

12234567779 is a deficient number, since it is larger than the sum of its proper divisors (1748929021).

12234567779 is a wasteful number, since it uses less digits than its factorization.

12234567779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141709.

The product of its digits is 4445280, while the sum is 53.

The spelling of 12234567779 in words is "twelve billion, two hundred thirty-four million, five hundred sixty-seven thousand, seven hundred seventy-nine".