12002100111999 has 6 divisors (see below), whose sum is σ = 17336366828456. Its totient is φ = 8001400074660.

The previous prime is 12002100111941. The next prime is 12002100112021. The reversal of 12002100111999 is 99911100120021.

It is not a de Polignac number, because 12002100111999 - 2⁴⁰ = 10902588484223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002100111299) 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, 666783339547 + ... + 666783339564.

Almost surely, 2^{12002100111999} is an apocalyptic number.

12002100111999 is a deficient number, since it is larger than the sum of its proper divisors (5334266716457).

12002100111999 is a wasteful number, since it uses less digits than its factorization.

12002100111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333566679117 (or 1333566679114 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 12002100111999 in words is "twelve trillion, two billion, one hundred million, one hundred eleven thousand, nine hundred ninety-nine".