12134004531 has 16 divisors (see below), whose sum is σ = 18218800128. Its totient is φ = 7116717600.

The previous prime is 12134004457. The next prime is 12134004539. The reversal of 12134004531 is 13540043121.

It is a happy number.

It is not a de Polignac number, because 12134004531 - 2¹⁰ = 12134003507 is a prime.

It is a super-2 number, since 2×12134004531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12134004539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929576 + ... + 5931621.

It is an arithmetic number, because the mean of its divisors is an integer number (1138675008).

Almost surely, 2^12134004531 is an apocalyptic number.

12134004531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12134004531 is a deficient number, since it is larger than the sum of its proper divisors (6084795597).

12134004531 is a wasteful number, since it uses less digits than its factorization.

12134004531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861242.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12134004531 its reverse (13540043121), we get a palindrome (25674047652).

The spelling of 12134004531 in words is "twelve billion, one hundred thirty-four million, four thousand, five hundred thirty-one".