12002222221192 has 32 divisors (see below), whose sum is σ = 25719159240000. Its totient is φ = 5143787198784.

The previous prime is 12002222221183. The next prime is 12002222221193. The reversal of 12002222221192 is 29112222220021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12002222221192.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23293098 + ... + 23802790.

It is an arithmetic number, because the mean of its divisors is an integer number (803723726250).

Almost surely, 2^{12002222221192} is an apocalyptic number.

It is an amenable number.

12002222221192 is an abundant number, since it is smaller than the sum of its proper divisors (13716937018808).

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

12002222221192 is a wasteful number, since it uses less digits than its factorization.

12002222221192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930205 (or 930201 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12002222221192 in words is "twelve trillion, two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred ninety-two".