12413224120521 has 16 divisors (see below), whose sum is σ = 18938261458944. Its totient is φ = 7084693804944.

The previous prime is 12413224120511. The next prime is 12413224120541. The reversal of 12413224120521 is 12502142231421.

It is not a de Polignac number, because 12413224120521 - 2⁷ = 12413224120393 is a prime.

It is a super-2 number, since 2×12413224120521² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12413224120501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357362265 + ... + 357396998.

It is an arithmetic number, because the mean of its divisors is an integer number (1183641341184).

Almost surely, 2^{12413224120521} is an apocalyptic number.

It is an amenable number.

12413224120521 is a deficient number, since it is larger than the sum of its proper divisors (6525037338423).

12413224120521 is an equidigital number, since it uses as much as digits as its factorization.

12413224120521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714760100.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12413224120521 its reverse (12502142231421), we get a palindrome (24915366351942).

The spelling of 12413224120521 in words is "twelve trillion, four hundred thirteen billion, two hundred twenty-four million, one hundred twenty thousand, five hundred twenty-one".