12758499812 has 12 divisors (see below), whose sum is σ = 22536042480. Its totient is φ = 6319630536.

The previous prime is 12758499811. The next prime is 12758499823. The reversal of 12758499812 is 21899485721.

It is not an unprimeable number, because it can be changed into a prime (12758499811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14904362 + ... + 14905217.

It is an arithmetic number, because the mean of its divisors is an integer number (1878003540).

Almost surely, 2^12758499812 is an apocalyptic number.

It is an amenable number.

12758499812 is a deficient number, since it is larger than the sum of its proper divisors (9777542668).

12758499812 is a wasteful number, since it uses less digits than its factorization.

12758499812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29809690 (or 29809688 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 56.

The spelling of 12758499812 in words is "twelve billion, seven hundred fifty-eight million, four hundred ninety-nine thousand, eight hundred twelve".