12541132816 has 20 divisors (see below), whose sum is σ = 24302140992. Its totient is φ = 6269612576.

The previous prime is 12541132777. The next prime is 12541132817. The reversal of 12541132816 is 61823114521.

It is not an unprimeable number, because it can be changed into a prime (12541132817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55605 + ... + 167851.

Almost surely, 2^12541132816 is an apocalyptic number.

12541132816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12541132816 is a deficient number, since it is larger than the sum of its proper divisors (11761008176).

12541132816 is a wasteful number, since it uses less digits than its factorization.

12541132816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119238 (or 119232 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The spelling of 12541132816 in words is "twelve billion, five hundred forty-one million, one hundred thirty-two thousand, eight hundred sixteen".