12344134221 has 12 divisors (see below), whose sum is σ = 17933484348. Its totient is φ = 8181852864.

The previous prime is 12344134207. The next prime is 12344134223. The reversal of 12344134221 is 12243144321.

12344134221 is a `hidden beast` number, since 1 + 23 + 4 + 413 + 4 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8978510025 + 3365624196 = 94755^2 + 58014^2 .

It is not a de Polignac number, because 12344134221 - 2²¹ = 12342037069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344134223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3962520 + ... + 3965633.

It is an arithmetic number, because the mean of its divisors is an integer number (1494457029).

Almost surely, 2^12344134221 is an apocalyptic number.

It is an amenable number.

12344134221 is a deficient number, since it is larger than the sum of its proper divisors (5589350127).

12344134221 is a wasteful number, since it uses less digits than its factorization.

12344134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928332 (or 7928329 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 12344134221 its reverse (12243144321), we get a palindrome (24587278542).

The spelling of 12344134221 in words is "twelve billion, three hundred forty-four million, one hundred thirty-four thousand, two hundred twenty-one".