12504134534 has 16 divisors (see below), whose sum is σ = 19392426000. Its totient is φ = 6042261024.

The previous prime is 12504134521. The next prime is 12504134569. The reversal of 12504134534 is 43543140521.

It is a self number, because there is not a number n which added to its sum of digits gives 12504134534.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 556004 + ... + 578055.

It is an arithmetic number, because the mean of its divisors is an integer number (1212026625).

Almost surely, 2^12504134534 is an apocalyptic number.

12504134534 is a deficient number, since it is larger than the sum of its proper divisors (6888291466).

12504134534 is a wasteful number, since it uses less digits than its factorization.

12504134534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134247.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 12504134534 in words is "twelve billion, five hundred four million, one hundred thirty-four thousand, five hundred thirty-four".