12012002100999 has 12 divisors (see below), whose sum is σ = 18105046645296. Its totient is φ = 7659827426592.

The previous prime is 12012002100983. The next prime is 12012002101003. The reversal of 12012002100999 is 99900120021021.

12012002100999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012002100999 - 2⁴ = 12012002100983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002100979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29014497622 + ... + 29014498035.

It is an arithmetic number, because the mean of its divisors is an integer number (1508753887108).

Almost surely, 2^{12012002100999} is an apocalyptic number.

12012002100999 is a deficient number, since it is larger than the sum of its proper divisors (6093044544297).

12012002100999 is a wasteful number, since it uses less digits than its factorization.

12012002100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58028995686 (or 58028995683 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 12012002100999 in words is "twelve trillion, twelve billion, two million, one hundred thousand, nine hundred ninety-nine".