12852779918 has 16 divisors (see below), whose sum is σ = 21157766784. Its totient is φ = 5807187960.

The previous prime is 12852779879. The next prime is 12852779921. The reversal of 12852779918 is 81997725821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745480 + ... + 1752827.

It is an arithmetic number, because the mean of its divisors is an integer number (1322360424).

Almost surely, 2^12852779918 is an apocalyptic number.

12852779918 is a deficient number, since it is larger than the sum of its proper divisors (8304986866).

12852779918 is a wasteful number, since it uses less digits than its factorization.

12852779918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498487.

The product of its digits is 5080320, while the sum is 59.

The spelling of 12852779918 in words is "twelve billion, eight hundred fifty-two million, seven hundred seventy-nine thousand, nine hundred eighteen".