12000111123223 has 2 divisors, whose sum is σ = 12000111123224. Its totient is φ = 12000111123222.

The previous prime is 12000111123211. The next prime is 12000111123239. The reversal of 12000111123223 is 32232111100021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000111123223 - 2²¹ = 12000109026071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000111123223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000111123283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000055561611 + 6000055561612.

It is an arithmetic number, because the mean of its divisors is an integer number (6000055561612).

Almost surely, 2^{12000111123223} is an apocalyptic number.

12000111123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000111123223 is an equidigital number, since it uses as much as digits as its factorization.

12000111123223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12000111123223 its reverse (32232111100021), we get a palindrome (44232222223244).

The spelling of 12000111123223 in words is "twelve trillion, one hundred eleven million, one hundred twenty-three thousand, two hundred twenty-three".