12220244400223 has 32 divisors (see below), whose sum is σ = 12590482544640. Its totient is φ = 11857113072000.

The previous prime is 12220244400209. The next prime is 12220244400239. The reversal of 12220244400223 is 32200444202221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220244400223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220244400191 and 12220244400200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220244400253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2250088318 + ... + 2250093748.

It is an arithmetic number, because the mean of its divisors is an integer number (393452579520).

Almost surely, 2^{12220244400223} is an apocalyptic number.

12220244400223 is a deficient number, since it is larger than the sum of its proper divisors (370238144417).

12220244400223 is a wasteful number, since it uses less digits than its factorization.

12220244400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12220244400223 its reverse (32200444202221), we get a palindrome (44420688602444).

The spelling of 12220244400223 in words is "twelve trillion, two hundred twenty billion, two hundred forty-four million, four hundred thousand, two hundred twenty-three".