211000012000009 has 8 divisors (see below), whose sum is σ = 215492417602560. Its totient is φ = 206507733216096.

The previous prime is 211000012000007. The next prime is 211000012000049. The reversal of 211000012000009 is 900000210000112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211000012000009 - 2¹ = 211000012000007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000011999956 and 211000012000001.

It is not an unprimeable number, because it can be changed into a prime (211000012000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28337884 + ... + 35000509.

It is an arithmetic number, because the mean of its divisors is an integer number (26936552200320).

Almost surely, 2^{211000012000009} is an apocalyptic number.

It is an amenable number.

211000012000009 is a deficient number, since it is larger than the sum of its proper divisors (4492405602551).

211000012000009 is an equidigital number, since it uses as much as digits as its factorization.

211000012000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63409319.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 211000012000009 in words is "two hundred eleven trillion, twelve million, nine", and thus it is an aban number.