212011009999 has 2 divisors, whose sum is σ = 212011010000. Its totient is φ = 212011009998.

The previous prime is 212011009981. The next prime is 212011010017. The reversal of 212011009999 is 999900110212.

It is a balanced prime because it is at equal distance from previous prime (212011009981) and next prime (212011010017).

It is a cyclic number.

It is not a de Polignac number, because 212011009999 - 2⁵ = 212011009967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011009979) 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 as a sum of consecutive naturals, namely, 106005504999 + 106005505000.

It is an arithmetic number, because the mean of its divisors is an integer number (106005505000).

Almost surely, 2^212011009999 is an apocalyptic number.

212011009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011009999 is an equidigital number, since it uses as much as digits as its factorization.

212011009999 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 212011009999 in words is "two hundred twelve billion, eleven million, nine thousand, nine hundred ninety-nine".