193217107890912 has 144 divisors (see below), whose sum is σ = 615654511823232. Its totient is φ = 52804675418880.

The previous prime is 193217107890899. The next prime is 193217107891043. The reversal of 193217107890912 is 219098701712391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892828014 + ... + 893044397.

It is an arithmetic number, because the mean of its divisors is an integer number (4275378554328).

Almost surely, 2^{193217107890912} is an apocalyptic number.

193217107890912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193217107890912 is an abundant number, since it is smaller than the sum of its proper divisors (422437403932320).

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

193217107890912 is a wasteful number, since it uses less digits than its factorization.

193217107890912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785872461 (or 1785872446 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 60.

The spelling of 193217107890912 in words is "one hundred ninety-three trillion, two hundred seventeen billion, one hundred seven million, eight hundred ninety thousand, nine hundred twelve".