12534052530 has 32 divisors (see below), whose sum is σ = 30379572288. Its totient is φ = 3309320000.

The previous prime is 12534052511. The next prime is 12534052577. The reversal of 12534052530 is 3525043521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065296 + ... + 2071355.

It is an arithmetic number, because the mean of its divisors is an integer number (949361634).

Almost surely, 2^12534052530 is an apocalyptic number.

12534052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12534052530 is an abundant number, since it is smaller than the sum of its proper divisors (17845519758).

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

12534052530 is a wasteful number, since it uses less digits than its factorization.

12534052530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136762.

The product of its (nonzero) digits is 18000, while the sum is 30.

Subtracting from 12534052530 its reverse (3525043521), we obtain a palindrome (9009009009).

The spelling of 12534052530 in words is "twelve billion, five hundred thirty-four million, fifty-two thousand, five hundred thirty".