12534512434 has 8 divisors (see below), whose sum is σ = 18832442220. Its totient is φ = 6257031696.

The previous prime is 12534512429. The next prime is 12534512447. The reversal of 12534512434 is 43421543521.

It can be written as a sum of positive squares in 2 ways, for example, as 9321323209 + 3213189225 = 96547^2 + 56685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12534512434² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12534512434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110729 + ... + 5113180.

Almost surely, 2^12534512434 is an apocalyptic number.

12534512434 is a deficient number, since it is larger than the sum of its proper divisors (6297929786).

12534512434 is a wasteful number, since it uses less digits than its factorization.

12534512434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224524.

The product of its digits is 57600, while the sum is 34.

The spelling of 12534512434 in words is "twelve billion, five hundred thirty-four million, five hundred twelve thousand, four hundred thirty-four".