12134312530 has 64 divisors (see below), whose sum is σ = 24148679040. Its totient is φ = 4369275904.

The previous prime is 12134312503. The next prime is 12134312557. The reversal of 12134312530 is 3521343121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12134312503) and next prime (12134312557).

It is a junction number, because it is equal to n+sod(n) for n = 12134312495 and 12134312504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516009 + ... + 539011.

It is an arithmetic number, because the mean of its divisors is an integer number (377323110).

Almost surely, 2^12134312530 is an apocalyptic number.

12134312530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12134312530 is a deficient number, since it is larger than the sum of its proper divisors (12014366510).

12134312530 is a wasteful number, since it uses less digits than its factorization.

12134312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23163.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12134312530 its reverse (3521343121), we get a palindrome (15655655651).

The spelling of 12134312530 in words is "twelve billion, one hundred thirty-four million, three hundred twelve thousand, five hundred thirty".