12002222221191 has 64 divisors (see below), whose sum is σ = 18307920301440. Its totient is φ = 7768251371520.

The previous prime is 12002222221183. The next prime is 12002222221193. The reversal of 12002222221191 is 19112222220021.

12002222221191 is a `hidden beast` number, since 1 + 200 + 2 + 222 + 221 + 19 + 1 = 666.

It is not a de Polignac number, because 12002222221191 - 2³ = 12002222221183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002222221193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59489401 + ... + 59690813.

It is an arithmetic number, because the mean of its divisors is an integer number (286061254710).

Almost surely, 2^{12002222221191} is an apocalyptic number.

12002222221191 is a deficient number, since it is larger than the sum of its proper divisors (6305698080249).

12002222221191 is a wasteful number, since it uses less digits than its factorization.

12002222221191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201953 (or 201947 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 12002222221191 in words is "twelve trillion, two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred ninety-one".