12242222224221 has 8 divisors (see below), whose sum is σ = 17806868689824. Its totient is φ = 7419528620720.

The previous prime is 12242222224213. The next prime is 12242222224223.

12242222224221 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12242222224221 - 2³ = 12242222224213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242222224223) 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 7 ways as a sum of consecutive naturals, for example, 185488215486 + ... + 185488215551.

It is an arithmetic number, because the mean of its divisors is an integer number (2225858586228).

Almost surely, 2^{12242222224221} is an apocalyptic number.

12242222224221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12242222224221 is a deficient number, since it is larger than the sum of its proper divisors (5564646465603).

12242222224221 is a wasteful number, since it uses less digits than its factorization.

12242222224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370976431051.

The product of its digits is 16384, while the sum is 30.

It can be divided in two parts, 1224222 and 2224221, that added together give a palindrome (3448443).

The spelling of 12242222224221 in words is "twelve trillion, two hundred forty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, two hundred twenty-one".