12233445667779 has 16 divisors (see below), whose sum is σ = 18644617460480. Its totient is φ = 6989349215520.

The previous prime is 12233445667763. The next prime is 12233445667783. The reversal of 12233445667779 is 97776654433221.

It is not a de Polignac number, because 12233445667779 - 2⁴ = 12233445667763 is a prime.

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 (12233445667279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49505737 + ... + 49752234.

It is an arithmetic number, because the mean of its divisors is an integer number (1165288591280).

Almost surely, 2^{12233445667779} is an apocalyptic number.

12233445667779 is a deficient number, since it is larger than the sum of its proper divisors (6411171792701).

12233445667779 is an equidigital number, since it uses as much as digits as its factorization.

12233445667779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99263850.

The product of its digits is 320060160, while the sum is 66.

The spelling of 12233445667779 in words is "twelve trillion, two hundred thirty-three billion, four hundred forty-five million, six hundred sixty-seven thousand, seven hundred seventy-nine".