12969786646882 has 8 divisors (see below), whose sum is σ = 20951193814236. Its totient is φ = 5986055375472.

The previous prime is 12969786646849. The next prime is 12969786646889. The reversal of 12969786646882 is 28864668796921.

It is a Cunningham number, because it is equal to 3601359²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12969786646881 + 1 = 3601359^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12969786646796 and 12969786646805.

It is not an unprimeable number, because it can be changed into a prime (12969786646889) 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, 249418973953 + ... + 249418974004.

Almost surely, 2^{12969786646882} is an apocalyptic number.

12969786646882 is a deficient number, since it is larger than the sum of its proper divisors (7981407167354).

12969786646882 is a wasteful number, since it uses less digits than its factorization.

12969786646882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498837947972.

The product of its digits is 6019743744, while the sum is 82.

The spelling of 12969786646882 in words is "twelve trillion, nine hundred sixty-nine billion, seven hundred eighty-six million, six hundred forty-six thousand, eight hundred eighty-two".