13234250221 has 4 divisors (see below), whose sum is σ = 13235679072. Its totient is φ = 13232821372.

The previous prime is 13234250173. The next prime is 13234250233. The reversal of 13234250221 is 12205243231.

13234250221 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 13234250221 - 2²³ = 13225861613 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 (13234250521) 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, 700441 + ... + 719086.

It is an arithmetic number, because the mean of its divisors is an integer number (3308919768).

Almost surely, 2^13234250221 is an apocalyptic number.

It is an amenable number.

13234250221 is a deficient number, since it is larger than the sum of its proper divisors (1428851).

13234250221 is an equidigital number, since it uses as much as digits as its factorization.

13234250221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428850.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13234250221 its reverse (12205243231), we get a palindrome (25439493452).

The spelling of 13234250221 in words is "thirteen billion, two hundred thirty-four million, two hundred fifty thousand, two hundred twenty-one".