12879820802 has 8 divisors (see below), whose sum is σ = 19335662076. Its totient is φ = 6434600112.

The previous prime is 12879820801. The next prime is 12879820819. The reversal of 12879820802 is 20802897821.

It can be written as a sum of positive squares in 2 ways, for example, as 11996601841 + 883218961 = 109529^2 + 29719^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12879820801) 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, 2652113 + ... + 2656964.

Almost surely, 2^12879820802 is an apocalyptic number.

12879820802 is a deficient number, since it is larger than the sum of its proper divisors (6455841274).

12879820802 is a wasteful number, since it uses less digits than its factorization.

12879820802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310292.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 12879820802 in words is "twelve billion, eight hundred seventy-nine million, eight hundred twenty thousand, eight hundred two".