12134004221 has 8 divisors (see below), whose sum is σ = 12528799488. Its totient is φ = 11739420000.

The previous prime is 12134004209. The next prime is 12134004229. The reversal of 12134004221 is 12240043121.

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 12134004221 - 2¹⁰ = 12134003197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12134004193 and 12134004202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134004229) 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, 68561 + ... + 170201.

It is an arithmetic number, because the mean of its divisors is an integer number (1566099936).

Almost surely, 2^12134004221 is an apocalyptic number.

It is an amenable number.

12134004221 is a deficient number, since it is larger than the sum of its proper divisors (394795267).

12134004221 is a wasteful number, since it uses less digits than its factorization.

12134004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105523.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12134004221 its reverse (12240043121), we get a palindrome (24374047342).

The spelling of 12134004221 in words is "twelve billion, one hundred thirty-four million, four thousand, two hundred twenty-one".