12170204221060 has 24 divisors (see below), whose sum is σ = 25608238883136. Its totient is φ = 4858403589600.

The previous prime is 12170204221003. The next prime is 12170204221093. The reversal of 12170204221060 is 6012240207121.

It is a super-2 number, since 2×12170204221060² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604870866 + ... + 604890985.

It is an arithmetic number, because the mean of its divisors is an integer number (1067009953464).

Almost surely, 2^{12170204221060} is an apocalyptic number.

12170204221060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12170204221060 is an abundant number, since it is smaller than the sum of its proper divisors (13438034662076).

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

12170204221060 is a wasteful number, since it uses less digits than its factorization.

12170204221060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209762363 (or 1209762361 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12170204221060 its reverse (6012240207121), we get a palindrome (18182444428181).

The spelling of 12170204221060 in words is "twelve trillion, one hundred seventy billion, two hundred four million, two hundred twenty-one thousand, sixty".