2012120112211 has 4 divisors (see below), whose sum is σ = 2195040122424. Its totient is φ = 1829200102000.

The previous prime is 2012120112157. The next prime is 2012120112239. The reversal of 2012120112211 is 1122110212102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012120112211 - 2²⁵ = 2012086557779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012120112311) 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 3 ways as a sum of consecutive naturals, for example, 91460005090 + ... + 91460005111.

It is an arithmetic number, because the mean of its divisors is an integer number (548760030606).

Almost surely, 2^{2012120112211} is an apocalyptic number.

2012120112211 is a deficient number, since it is larger than the sum of its proper divisors (182920010213).

2012120112211 is a wasteful number, since it uses less digits than its factorization.

2012120112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182920010212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2012120112211 its reverse (1122110212102), we get a palindrome (3134230324313).

The spelling of 2012120112211 in words is "two trillion, twelve billion, one hundred twenty million, one hundred twelve thousand, two hundred eleven".