2012120212011 has 32 divisors (see below), whose sum is σ = 3302034989568. Its totient is φ = 1061307878400.

The previous prime is 2012120212009. The next prime is 2012120212021. The reversal of 2012120212011 is 1102120212102.

It is not a de Polignac number, because 2012120212011 - 2¹ = 2012120212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012120212021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12067611 + ... + 12233211.

It is an arithmetic number, because the mean of its divisors is an integer number (103188593424).

Almost surely, 2^{2012120212011} is an apocalyptic number.

2012120212011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2012120212011 is a deficient number, since it is larger than the sum of its proper divisors (1289914777557).

2012120212011 is a wasteful number, since it uses less digits than its factorization.

2012120212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210131.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012120212011 its reverse (1102120212102), we get a palindrome (3114240424113).

Subtracting from 2012120212011 its reverse (1102120212102), we obtain a palindrome (909999999909).

The spelling of 2012120212011 in words is "two trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, eleven".