12224212142311 has 4 divisors (see below), whose sum is σ = 13164536153272. Its totient is φ = 11283888131352.

The previous prime is 12224212142273. The next prime is 12224212142323. The reversal of 12224212142311 is 11324121242221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12224212142311 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 12224212142311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224212152311) 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 3 ways as a sum of consecutive naturals, for example, 470162005461 + ... + 470162005486.

It is an arithmetic number, because the mean of its divisors is an integer number (3291134038318).

Almost surely, 2^{12224212142311} is an apocalyptic number.

12224212142311 is a deficient number, since it is larger than the sum of its proper divisors (940324010961).

12224212142311 is an equidigital number, since it uses as much as digits as its factorization.

12224212142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940324010960.

The product of its digits is 3072, while the sum is 28.

Adding to 12224212142311 its reverse (11324121242221), we get a palindrome (23548333384532).

The spelling of 12224212142311 in words is "twelve trillion, two hundred twenty-four billion, two hundred twelve million, one hundred forty-two thousand, three hundred eleven".