12170321311740 has 96 divisors (see below), whose sum is σ = 35811801822720. Its totient is φ = 3084269965056.

The previous prime is 12170321311739. The next prime is 12170321311789. The reversal of 12170321311740 is 4711312307121.

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, 63650200 + ... + 63841119.

It is an arithmetic number, because the mean of its divisors is an integer number (373039602320).

Almost surely, 2^{12170321311740} is an apocalyptic number.

12170321311740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12170321311740 is an abundant number, since it is smaller than the sum of its proper divisors (23641480510980).

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

12170321311740 is a wasteful number, since it uses less digits than its factorization.

12170321311740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127491411 (or 127491409 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 12170321311740 its reverse (4711312307121), we get a palindrome (16881633618861).

The spelling of 12170321311740 in words is "twelve trillion, one hundred seventy billion, three hundred twenty-one million, three hundred eleven thousand, seven hundred forty".