12681368962 has 16 divisors (see below), whose sum is σ = 19492468632. Its totient is φ = 6183982080.

The previous prime is 12681368957. The next prime is 12681368993. The reversal of 12681368962 is 26986318621.

It can be written as a sum of positive squares in 4 ways, for example, as 11657304961 + 1024064001 = 107969^2 + 32001^2 .

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 7 ways as a sum of consecutive naturals, for example, 239758 + ... + 287830.

Almost surely, 2^12681368962 is an apocalyptic number.

12681368962 is a deficient number, since it is larger than the sum of its proper divisors (6811099670).

12681368962 is a wasteful number, since it uses less digits than its factorization.

12681368962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51333.

The product of its digits is 1492992, while the sum is 52.

The spelling of 12681368962 in words is "twelve billion, six hundred eighty-one million, three hundred sixty-eight thousand, nine hundred sixty-two".