12104020170 has 96 divisors (see below), whose sum is σ = 34367022144. Its totient is φ = 2931264000.

The previous prime is 12104020133. The next prime is 12104020171. The reversal of 12104020170 is 7102040121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12104020171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1034674 + ... + 1046306.

It is an arithmetic number, because the mean of its divisors is an integer number (357989814).

Almost surely, 2^12104020170 is an apocalyptic number.

12104020170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12104020170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17183511072).

12104020170 is an abundant number, since it is smaller than the sum of its proper divisors (22263001974).

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

12104020170 is a wasteful number, since it uses less digits than its factorization.

12104020170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708 (or 12705 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 12104020170 its reverse (7102040121), we get a palindrome (19206060291).

The spelling of 12104020170 in words is "twelve billion, one hundred four million, twenty thousand, one hundred seventy".