12223300211021 has 4 divisors (see below), whose sum is σ = 12285347420412. Its totient is φ = 12161253001632.

The previous prime is 12223300210997. The next prime is 12223300211029. The reversal of 12223300211021 is 12011200332221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11696639401225 + 526660809796 = 3420035^2 + 725714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223300211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223300210984 and 12223300211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223300211029) 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, 31023604400 + ... + 31023604793.

It is an arithmetic number, because the mean of its divisors is an integer number (3071336855103).

Almost surely, 2^{12223300211021} is an apocalyptic number.

It is an amenable number.

12223300211021 is a deficient number, since it is larger than the sum of its proper divisors (62047209391).

12223300211021 is an equidigital number, since it uses as much as digits as its factorization.

12223300211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62047209390.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12223300211021 its reverse (12011200332221), we get a palindrome (24234500543242).

The spelling of 12223300211021 in words is "twelve trillion, two hundred twenty-three billion, three hundred million, two hundred eleven thousand, twenty-one".