12012011192 has 32 divisors (see below), whose sum is σ = 23454852480. Its totient is φ = 5760814080.

The previous prime is 12012011191. The next prime is 12012011287. The reversal of 12012011192 is 29111021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012011191) 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, 186293 + ... + 242340.

It is an arithmetic number, because the mean of its divisors is an integer number (732964140).

Almost surely, 2^12012011192 is an apocalyptic number.

It is an amenable number.

12012011192 is a deficient number, since it is larger than the sum of its proper divisors (11442841288).

12012011192 is a wasteful number, since it uses less digits than its factorization.

12012011192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428783 (or 428779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12012011192 in words is "twelve billion, twelve million, eleven thousand, one hundred ninety-two".