12134222513 has 4 divisors (see below), whose sum is σ = 13867682880. Its totient is φ = 10400762148.

The previous prime is 12134222497. The next prime is 12134222519. The reversal of 12134222513 is 31522243121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31522243121 = 107 ⋅294600403.

It is not a de Polignac number, because 12134222513 - 2⁴ = 12134222497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134222519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866730173 + ... + 866730186.

It is an arithmetic number, because the mean of its divisors is an integer number (3466920720).

Almost surely, 2^12134222513 is an apocalyptic number.

It is an amenable number.

12134222513 is a deficient number, since it is larger than the sum of its proper divisors (1733460367).

12134222513 is an equidigital number, since it uses as much as digits as its factorization.

12134222513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733460366.

The product of its digits is 2880, while the sum is 26.

Adding to 12134222513 its reverse (31522243121), we get a palindrome (43656465634).

The spelling of 12134222513 in words is "twelve billion, one hundred thirty-four million, two hundred twenty-two thousand, five hundred thirteen".