2012011009999 has 2 divisors, whose sum is σ = 2012011010000. Its totient is φ = 2012011009998.

The previous prime is 2012011009997. The next prime is 2012011010017. The reversal of 2012011009999 is 9999001102102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012011009999 - 2¹ = 2012011009997 is a prime.

Together with 2012011009997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012011009993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006005504999 + 1006005505000.

It is an arithmetic number, because the mean of its divisors is an integer number (1006005505000).

Almost surely, 2^{2012011009999} is an apocalyptic number.

2012011009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012011009999 is an equidigital number, since it uses as much as digits as its factorization.

2012011009999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 2012011009999 in words is "two trillion, twelve billion, eleven million, nine thousand, nine hundred ninety-nine".