12802186138 has 8 divisors (see below), whose sum is σ = 21946604832. Its totient is φ = 5486651196.

The previous prime is 12802186129. The next prime is 12802186139. The reversal of 12802186138 is 83168120821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12802186138.

It is not an unprimeable number, because it can be changed into a prime (12802186139) 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, 457220920 + ... + 457220947.

It is an arithmetic number, because the mean of its divisors is an integer number (2743325604).

Almost surely, 2^12802186138 is an apocalyptic number.

12802186138 is a deficient number, since it is larger than the sum of its proper divisors (9144418694).

12802186138 is an equidigital number, since it uses as much as digits as its factorization.

12802186138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914441876.

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 12802186138 in words is "twelve billion, eight hundred two million, one hundred eighty-six thousand, one hundred thirty-eight".