17943100212 has 12 divisors (see below), whose sum is σ = 41867233856. Its totient is φ = 5981033400.

The previous prime is 17943100181. The next prime is 17943100303. The reversal of 17943100212 is 21200134971.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 17943100212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747629164 + ... + 747629187.

Almost surely, 2^17943100212 is an apocalyptic number.

17943100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17943100212 is an abundant number, since it is smaller than the sum of its proper divisors (23924133644).

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

17943100212 is a wasteful number, since it uses less digits than its factorization.

17943100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495258358 (or 1495258356 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 17943100212 in words is "seventeen billion, nine hundred forty-three million, one hundred thousand, two hundred twelve".