9191001010012 has 48 divisors (see below), whose sum is σ = 17184079523520. Its totient is φ = 4286156521472.

The previous prime is 9191001010001. The next prime is 9191001010031. The reversal of 9191001010012 is 2100101001919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45442164 + ... + 45643972.

It is an arithmetic number, because the mean of its divisors is an integer number (358001656740).

Almost surely, 2^{9191001010012} is an apocalyptic number.

It is an amenable number.

9191001010012 is a deficient number, since it is larger than the sum of its proper divisors (7993078513508).

9191001010012 is a wasteful number, since it uses less digits than its factorization.

9191001010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207870 (or 207868 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 9191001010012 in words is "nine trillion, one hundred ninety-one billion, one million, ten thousand, twelve".