12214839688 has 8 divisors (see below), whose sum is σ = 22902824430. Its totient is φ = 6107419840.

The previous prime is 12214839667. The next prime is 12214839713. The reversal of 12214839688 is 88693841221.

It can be written as a sum of positive squares in only one way, i.e., 11092723684 + 1122116004 = 105322^2 + 33498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763427473 + ... + 763427488.

Almost surely, 2^12214839688 is an apocalyptic number.

It is an amenable number.

12214839688 is a deficient number, since it is larger than the sum of its proper divisors (10687984742).

12214839688 is a wasteful number, since it uses less digits than its factorization.

12214839688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526854967 (or 1526854963 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 12214839688 in words is "twelve billion, two hundred fourteen million, eight hundred thirty-nine thousand, six hundred eighty-eight".