12173969810 has 16 divisors (see below), whose sum is σ = 22085692416. Its totient is φ = 4831244208.

The previous prime is 12173969809. The next prime is 12173969837. The reversal of 12173969810 is 1896937121.

It is a super-2 number, since 2×12173969810² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4791632 + ... + 4794171.

It is an arithmetic number, because the mean of its divisors is an integer number (1380355776).

Almost surely, 2^12173969810 is an apocalyptic number.

12173969810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173969810 is a deficient number, since it is larger than the sum of its proper divisors (9911722606).

12173969810 is a wasteful number, since it uses less digits than its factorization.

12173969810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585937.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 12173969810 in words is "twelve billion, one hundred seventy-three million, nine hundred sixty-nine thousand, eight hundred ten".