12216860986 has 16 divisors (see below), whose sum is σ = 19994065920. Its totient is φ = 5552330080.

The previous prime is 12216860933. The next prime is 12216861023. The reversal of 12216860986 is 68906861221.

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, 136455 + ... + 207493.

It is an arithmetic number, because the mean of its divisors is an integer number (1249629120).

Almost surely, 2^12216860986 is an apocalyptic number.

12216860986 is a deficient number, since it is larger than the sum of its proper divisors (7777204934).

12216860986 is a wasteful number, since it uses less digits than its factorization.

12216860986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78869.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 12216860986 in words is "twelve billion, two hundred sixteen million, eight hundred sixty thousand, nine hundred eighty-six".