12213030011223 has 4 divisors (see below), whose sum is σ = 16284040014968. Its totient is φ = 8142020007480.

The previous prime is 12213030011213. The next prime is 12213030011257. The reversal of 12213030011223 is 32211003031221.

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

It is not a de Polignac number, because 12213030011223 - 2¹⁰ = 12213030010199 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 12213030011223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213030011213) 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, 2035505001868 + ... + 2035505001873.

It is an arithmetic number, because the mean of its divisors is an integer number (4071010003742).

Almost surely, 2^{12213030011223} is an apocalyptic number.

12213030011223 is a deficient number, since it is larger than the sum of its proper divisors (4071010003745).

12213030011223 is an equidigital number, since it uses as much as digits as its factorization.

12213030011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071010003744.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12213030011223 its reverse (32211003031221), we get a palindrome (44424033042444).

The spelling of 12213030011223 in words is "twelve trillion, two hundred thirteen billion, thirty million, eleven thousand, two hundred twenty-three".