12198363686 has 16 divisors (see below), whose sum is σ = 18352718208. Its totient is φ = 6080817600.

The previous prime is 12198363677. The next prime is 12198363689. The reversal of 12198363686 is 68636389121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198363689) 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, 1026716 + ... + 1038528.

It is an arithmetic number, because the mean of its divisors is an integer number (1147044888).

Almost surely, 2^12198363686 is an apocalyptic number.

12198363686 is a deficient number, since it is larger than the sum of its proper divisors (6154354522).

12198363686 is a wasteful number, since it uses less digits than its factorization.

12198363686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327.

The product of its digits is 2239488, while the sum is 53.

The spelling of 12198363686 in words is "twelve billion, one hundred ninety-eight million, three hundred sixty-three thousand, six hundred eighty-six".