12225111221789 has 8 divisors (see below), whose sum is σ = 12944329555968. Its totient is φ = 11505903348160.

The previous prime is 12225111221767. The next prime is 12225111221797. The reversal of 12225111221789 is 98712211152221.

12225111221789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12225111221789 is a prime.

It is a super-2 number, since 2×12225111221789² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225111224789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142187 + ... + 4946760.

It is an arithmetic number, because the mean of its divisors is an integer number (1618041194496).

Almost surely, 2^{12225111221789} is an apocalyptic number.

It is an amenable number.

12225111221789 is a deficient number, since it is larger than the sum of its proper divisors (719218334179).

12225111221789 is a wasteful number, since it uses less digits than its factorization.

12225111221789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230275.

The product of its digits is 80640, while the sum is 44.

The spelling of 12225111221789 in words is "twelve trillion, two hundred twenty-five billion, one hundred eleven million, two hundred twenty-one thousand, seven hundred eighty-nine".