9181909100012 has 24 divisors (see below), whose sum is σ = 17577926795520. Its totient is φ = 4161969425360.

The previous prime is 9181909099933. The next prime is 9181909100033. The reversal of 9181909100012 is 2100019091819.

9181909100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290624528 + ... + 290656119.

It is an arithmetic number, because the mean of its divisors is an integer number (732413616480).

Almost surely, 2^{9181909100012} is an apocalyptic number.

It is an amenable number.

9181909100012 is a deficient number, since it is larger than the sum of its proper divisors (8396017695508).

9181909100012 is a wasteful number, since it uses less digits than its factorization.

9181909100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581281021 (or 581281019 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 9181909100012 in words is "nine trillion, one hundred eighty-one billion, nine hundred nine million, one hundred thousand, twelve".