12111222010323 has 4 divisors (see below), whose sum is σ = 16148296013768. Its totient is φ = 8074148006880.

The previous prime is 12111222010247. The next prime is 12111222010337. The reversal of 12111222010323 is 32301022211121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12111222010323 - 2¹⁴ = 12111221993939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111222010323.

It is not an unprimeable number, because it can be changed into a prime (12111222010123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018537001718 + ... + 2018537001723.

It is an arithmetic number, because the mean of its divisors is an integer number (4037074003442).

Almost surely, 2^{12111222010323} is an apocalyptic number.

12111222010323 is a deficient number, since it is larger than the sum of its proper divisors (4037074003445).

12111222010323 is an equidigital number, since it uses as much as digits as its factorization.

12111222010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037074003444.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12111222010323 its reverse (32301022211121), we get a palindrome (44412244221444).

The spelling of 12111222010323 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, ten thousand, three hundred twenty-three".