12000122192 has 20 divisors (see below), whose sum is σ = 23252122260. Its totient is φ = 5999574528.

The previous prime is 12000122171. The next prime is 12000122219. The reversal of 12000122192 is 29122100021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11180101696 + 820020496 = 105736^2 + 28636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253208 + ... + 296840.

It is an arithmetic number, because the mean of its divisors is an integer number (1162606113).

Almost surely, 2^12000122192 is an apocalyptic number.

It is an amenable number.

12000122192 is a deficient number, since it is larger than the sum of its proper divisors (11252000068).

12000122192 is a wasteful number, since it uses less digits than its factorization.

12000122192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60830 (or 60824 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12000122192 in words is "twelve billion, one hundred twenty-two thousand, one hundred ninety-two".