12530143134 has 12 divisors (see below), whose sum is σ = 27148643496. Its totient is φ = 4176714372.

The previous prime is 12530143117. The next prime is 12530143147. The reversal of 12530143134 is 43134103521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12530143098 and 12530143107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348059514 + ... + 348059549.

It is an arithmetic number, because the mean of its divisors is an integer number (2262386958).

Almost surely, 2^12530143134 is an apocalyptic number.

12530143134 is an abundant number, since it is smaller than the sum of its proper divisors (14618500362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12530143134 is a wasteful number, since it uses less digits than its factorization.

12530143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696119071 (or 696119068 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12530143134 its reverse (43134103521), we get a palindrome (55664246655).

The spelling of 12530143134 in words is "twelve billion, five hundred thirty million, one hundred forty-three thousand, one hundred thirty-four".