12091920191022 has 64 divisors (see below), whose sum is σ = 27973497323520. Its totient is φ = 3412986953184.

The previous prime is 12091920191011. The next prime is 12091920191089. The reversal of 12091920191022 is 22019102919021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57480243 + ... + 57690225.

It is an arithmetic number, because the mean of its divisors is an integer number (437085895680).

Almost surely, 2^{12091920191022} is an apocalyptic number.

12091920191022 is an abundant number, since it is smaller than the sum of its proper divisors (15881577132498).

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

12091920191022 is a wasteful number, since it uses less digits than its factorization.

12091920191022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226597.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 12091920191022 in words is "twelve trillion, ninety-one billion, nine hundred twenty million, one hundred ninety-one thousand, twenty-two".