12021110202223 has 4 divisors (see below), whose sum is σ = 12025749768768. Its totient is φ = 12016470635680.

The previous prime is 12021110202221. The next prime is 12021110202259. The reversal of 12021110202223 is 32220201112021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021110202223 - 2¹ = 12021110202221 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 12021110202223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021110202221) 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, 2319779386 + ... + 2319784567.

It is an arithmetic number, because the mean of its divisors is an integer number (3006437442192).

Almost surely, 2^{12021110202223} is an apocalyptic number.

12021110202223 is a deficient number, since it is larger than the sum of its proper divisors (4639566545).

12021110202223 is an equidigital number, since it uses as much as digits as its factorization.

12021110202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639566544.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12021110202223 its reverse (32220201112021), we get a palindrome (44241311314244).

The spelling of 12021110202223 in words is "twelve trillion, twenty-one billion, one hundred ten million, two hundred two thousand, two hundred twenty-three".