12534532562 has 8 divisors (see below), whose sum is σ = 18802682496. Its totient is φ = 6266971732.

The previous prime is 12534532553. The next prime is 12534532603. The reversal of 12534532562 is 26523543521.

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

It is a super-2 number, since 2×12534532562² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 89558 + ... + 181905.

It is an arithmetic number, because the mean of its divisors is an integer number (2350335312).

Almost surely, 2^12534532562 is an apocalyptic number.

12534532562 is a deficient number, since it is larger than the sum of its proper divisors (6268149934).

12534532562 is a wasteful number, since it uses less digits than its factorization.

12534532562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294552.

The product of its digits is 216000, while the sum is 38.

The spelling of 12534532562 in words is "twelve billion, five hundred thirty-four million, five hundred thirty-two thousand, five hundred sixty-two".