12705334680 has 32 divisors (see below), whose sum is σ = 38116004400. Its totient is φ = 3388089216.

The previous prime is 12705334669. The next prime is 12705334699. The reversal of 12705334680 is 8643350721.

It is a super-2 number, since 2×12705334680² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 52938775 + ... + 52939014.

Almost surely, 2^12705334680 is an apocalyptic number.

12705334680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12705334680 is an abundant number, since it is smaller than the sum of its proper divisors (25410669720).

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

12705334680 is a wasteful number, since it uses less digits than its factorization.

12705334680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105877803 (or 105877799 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12705334680 in words is "twelve billion, seven hundred five million, three hundred thirty-four thousand, six hundred eighty".