12171057707710 has 128 divisors (see below), whose sum is σ = 24591621772800. Its totient is φ = 4299501803520.

The previous prime is 12171057707693. The next prime is 12171057707749. The reversal of 12171057707710 is 1770775017121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1243589437 + ... + 1243599223.

It is an arithmetic number, because the mean of its divisors is an integer number (192122045100).

Almost surely, 2^{12171057707710} is an apocalyptic number.

12171057707710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12171057707710 is an abundant number, since it is smaller than the sum of its proper divisors (12420564065090).

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

12171057707710 is a wasteful number, since it uses less digits than its factorization.

12171057707710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12106.

The product of its (nonzero) digits is 168070, while the sum is 46.

The spelling of 12171057707710 in words is "twelve trillion, one hundred seventy-one billion, fifty-seven million, seven hundred seven thousand, seven hundred ten".