2012122011011 has 4 divisors (see below), whose sum is σ = 2299568012592. Its totient is φ = 1724676009432.

The previous prime is 2012122011007. The next prime is 2012122011023. The reversal of 2012122011011 is 1101102212102.

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 2012122011011 - 2² = 2012122011007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012122011061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143723000780 + ... + 143723000793.

It is an arithmetic number, because the mean of its divisors is an integer number (574892003148).

Almost surely, 2^{2012122011011} is an apocalyptic number.

2012122011011 is a deficient number, since it is larger than the sum of its proper divisors (287446001581).

2012122011011 is an equidigital number, since it uses as much as digits as its factorization.

2012122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287446001580.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012122011011 its reverse (1101102212102), we get a palindrome (3113224223113).

The spelling of 2012122011011 in words is "two trillion, twelve billion, one hundred twenty-two million, eleven thousand, eleven".