13212420541 has 4 divisors (see below), whose sum is σ = 13786873632. Its totient is φ = 12637967452.

The previous prime is 13212420523. The next prime is 13212420581. The reversal of 13212420541 is 14502421231.

13212420541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13212420541 - 2¹⁷ = 13212289469 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 (13212420581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287226511 + ... + 287226556.

It is an arithmetic number, because the mean of its divisors is an integer number (3446718408).

Almost surely, 2^13212420541 is an apocalyptic number.

It is an amenable number.

13212420541 is a deficient number, since it is larger than the sum of its proper divisors (574453091).

13212420541 is an equidigital number, since it uses as much as digits as its factorization.

13212420541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574453090.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13212420541 its reverse (14502421231), we get a palindrome (27714841772).

The spelling of 13212420541 in words is "thirteen billion, two hundred twelve million, four hundred twenty thousand, five hundred forty-one".