12729896080 has 40 divisors (see below), whose sum is σ = 32287647744. Its totient is φ = 4629052800.

The previous prime is 12729896077. The next prime is 12729896119. The reversal of 12729896080 is 8069892721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7232016 + ... + 7233775.

Almost surely, 2^12729896080 is an apocalyptic number.

12729896080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12729896080 is an abundant number, since it is smaller than the sum of its proper divisors (19557751664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12729896080 is a wasteful number, since it uses less digits than its factorization.

12729896080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465815 (or 14465809 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

It can be divided in two parts, 12729 and 896080, that added together give a palindrome (908809).

The spelling of 12729896080 in words is "twelve billion, seven hundred twenty-nine million, eight hundred ninety-six thousand, eighty".