12105060198 has 64 divisors (see below), whose sum is σ = 30208647168. Its totient is φ = 3141609120.

The previous prime is 12105060179. The next prime is 12105060229. The reversal of 12105060198 is 89106050121.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593811 + ... + 613857.

It is an arithmetic number, because the mean of its divisors is an integer number (472010112).

Almost surely, 2^12105060198 is an apocalyptic number.

12105060198 is an abundant number, since it is smaller than the sum of its proper divisors (18103586970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12105060198 is a wasteful number, since it uses less digits than its factorization.

12105060198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21377.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 12105060198 in words is "twelve billion, one hundred five million, sixty thousand, one hundred ninety-eight".