12010112191 has 16 divisors (see below), whose sum is σ = 15056391168. Its totient is φ = 9306813600.

The previous prime is 12010112167. The next prime is 12010112203. The reversal of 12010112191 is 19121101021.

It is not a de Polignac number, because 12010112191 - 2¹³ = 12010103999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010110191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416935 + ... + 444808.

It is an arithmetic number, because the mean of its divisors is an integer number (941024448).

Almost surely, 2^12010112191 is an apocalyptic number.

12010112191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12010112191 is a deficient number, since it is larger than the sum of its proper divisors (3046278977).

12010112191 is a wasteful number, since it uses less digits than its factorization.

12010112191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861942.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12010112191 in words is "twelve billion, ten million, one hundred twelve thousand, one hundred ninety-one".