2012021110209 has 16 divisors (see below), whose sum is σ = 2928497819904. Its totient is φ = 1218606042000.

The previous prime is 2012021110193. The next prime is 2012021110217. The reversal of 2012021110209 is 9020111202102.

It is not a de Polignac number, because 2012021110209 - 2⁴ = 2012021110193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012021110219) 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 15 ways as a sum of consecutive naturals, for example, 19966267 + ... + 20066784.

It is an arithmetic number, because the mean of its divisors is an integer number (183031113744).

Almost surely, 2^{2012021110209} is an apocalyptic number.

It is an amenable number.

2012021110209 is a deficient number, since it is larger than the sum of its proper divisors (916476709695).

2012021110209 is a wasteful number, since it uses less digits than its factorization.

2012021110209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40034588.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 2012021110209 in words is "two trillion, twelve billion, twenty-one million, one hundred ten thousand, two hundred nine".