12061171714578 has 24 divisors (see below), whose sum is σ = 28060685214192. Its totient is φ = 3446049061224.

The previous prime is 12061171714573. The next prime is 12061171714591. The reversal of 12061171714578 is 87541717116021.

It is a self number, because there is not a number n which added to its sum of digits gives 12061171714578.

It is not an unprimeable number, because it can be changed into a prime (12061171714573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20512196500 + ... + 20512197087.

It is an arithmetic number, because the mean of its divisors is an integer number (1169195217258).

Almost surely, 2^{12061171714578} is an apocalyptic number.

12061171714578 is an abundant number, since it is smaller than the sum of its proper divisors (15999513499614).

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

12061171714578 is a wasteful number, since it uses less digits than its factorization.

12061171714578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41024393606 (or 41024393599 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 51.

The spelling of 12061171714578 in words is "twelve trillion, sixty-one billion, one hundred seventy-one million, seven hundred fourteen thousand, five hundred seventy-eight".