12234445666779 has 64 divisors (see below), whose sum is σ = 18735836544000. Its totient is φ = 6956407971840.

The previous prime is 12234445666777. The next prime is 12234445666787. The reversal of 12234445666779 is 97766654443221.

It is not a de Polignac number, because 12234445666779 - 2¹ = 12234445666777 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12234445666777) 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 in 63 ways as a sum of consecutive naturals, for example, 7556790832 + ... + 7556792450.

It is an arithmetic number, because the mean of its divisors is an integer number (292747446000).

Almost surely, 2^{12234445666779} is an apocalyptic number.

12234445666779 is a deficient number, since it is larger than the sum of its proper divisors (6501390877221).

12234445666779 is a wasteful number, since it uses less digits than its factorization.

12234445666779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its digits is 365783040, while the sum is 66.

The spelling of 12234445666779 in words is "twelve trillion, two hundred thirty-four billion, four hundred forty-five million, six hundred sixty-six thousand, seven hundred seventy-nine".