12100002192 has 30 divisors (see below), whose sum is σ = 33863200982. Its totient is φ = 4033334016.

The previous prime is 12100002191. The next prime is 12100002203. The reversal of 12100002192 is 29120000121.

It can be written as a sum of positive squares in only one way, i.e., 11916778896 + 183223296 = 109164^2 + 13536^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12100002191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42013753 + ... + 42014040.

Almost surely, 2^12100002192 is an apocalyptic number.

12100002192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12100002192 is an abundant number, since it is smaller than the sum of its proper divisors (21763198790).

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

12100002192 is a wasteful number, since it uses less digits than its factorization.

12100002192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84027807 (or 84027798 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 12100002192 in words is "twelve billion, one hundred million, two thousand, one hundred ninety-two".