12001897120412 has 6 divisors (see below), whose sum is σ = 21003319960728. Its totient is φ = 6000948560204.

The previous prime is 12001897120393. The next prime is 12001897120417. The reversal of 12001897120412 is 21402179810021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001897120417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500237140048 + ... + 1500237140055.

It is an arithmetic number, because the mean of its divisors is an integer number (3500553326788).

Almost surely, 2^{12001897120412} is an apocalyptic number.

It is an amenable number.

12001897120412 is a deficient number, since it is larger than the sum of its proper divisors (9001422840316).

12001897120412 is a wasteful number, since it uses less digits than its factorization.

12001897120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000474280107 (or 3000474280105 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 12001897120412 in words is "twelve trillion, one billion, eight hundred ninety-seven million, one hundred twenty thousand, four hundred twelve".