12012039999 has 12 divisors (see below), whose sum is σ = 17352028512. Its totient is φ = 8007424800.

The previous prime is 12012039997. The next prime is 12012040009. The reversal of 12012039999 is 99993021021.

It is not a de Polignac number, because 12012039999 - 2¹ = 12012039997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012039997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99859 + ... + 184379.

It is an arithmetic number, because the mean of its divisors is an integer number (1446002376).

Almost surely, 2^12012039999 is an apocalyptic number.

12012039999 is a deficient number, since it is larger than the sum of its proper divisors (5339988513).

12012039999 is a wasteful number, since it uses less digits than its factorization.

12012039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100318 (or 100315 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 12012039999 in words is "twelve billion, twelve million, thirty-nine thousand, nine hundred ninety-nine".