12340134032221 has 8 divisors (see below), whose sum is σ = 12397237816320. Its totient is φ = 12283113431472.

The previous prime is 12340134032207. The next prime is 12340134032227. The reversal of 12340134032221 is 12223043104321.

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 12340134032221 - 2⁵ = 12340134032189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12340134032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340134032227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20498445 + ... + 21091858.

It is an arithmetic number, because the mean of its divisors is an integer number (1549654727040).

Almost surely, 2^{12340134032221} is an apocalyptic number.

It is an amenable number.

12340134032221 is a deficient number, since it is larger than the sum of its proper divisors (57103784099).

12340134032221 is a wasteful number, since it uses less digits than its factorization.

12340134032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41591675.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12340134032221 its reverse (12223043104321), we get a palindrome (24563177136542).

The spelling of 12340134032221 in words is "twelve trillion, three hundred forty billion, one hundred thirty-four million, thirty-two thousand, two hundred twenty-one".