12240413333221 has 8 divisors (see below), whose sum is σ = 12256413817088. Its totient is φ = 12224420208000.

The previous prime is 12240413333153. The next prime is 12240413333273. The reversal of 12240413333221 is 12233331404221.

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 12240413333221 - 2⁴¹ = 10041390077669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240413333021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493266 + ... + 5168236.

It is an arithmetic number, because the mean of its divisors is an integer number (1532051727136).

Almost surely, 2^{12240413333221} is an apocalyptic number.

It is an amenable number.

12240413333221 is a deficient number, since it is larger than the sum of its proper divisors (16000483867).

12240413333221 is an equidigital number, since it uses as much as digits as its factorization.

12240413333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679323.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12240413333221 its reverse (12233331404221), we get a palindrome (24473744737442).

The spelling of 12240413333221 in words is "twelve trillion, two hundred forty billion, four hundred thirteen million, three hundred thirty-three thousand, two hundred twenty-one".