12802678499 has 8 divisors (see below), whose sum is σ = 14232258432. Its totient is φ = 11436635520.

The previous prime is 12802678489. The next prime is 12802678501. The reversal of 12802678499 is 99487620821.

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

It is a cyclic number.

It is not a de Polignac number, because 12802678499 - 2⁸ = 12802678243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12802678489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15883814 + ... + 15884619.

It is an arithmetic number, because the mean of its divisors is an integer number (1779032304).

Almost surely, 2^12802678499 is an apocalyptic number.

12802678499 is a deficient number, since it is larger than the sum of its proper divisors (1429579933).

12802678499 is a wasteful number, since it uses less digits than its factorization.

12802678499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31768477.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 12802678499 in words is "twelve billion, eight hundred two million, six hundred seventy-eight thousand, four hundred ninety-nine".