20112012120011 has 24 divisors (see below), whose sum is σ = 23631809080320. Its totient is φ = 17065686878352.

The previous prime is 20112012120001. The next prime is 20112012120037. The reversal of 20112012120011 is 11002121021102.

It is not a de Polignac number, because 20112012120011 - 2²² = 20112007925707 is a prime.

It is a super-3 number, since 3×20112012120011³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112012120001) 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 23 ways as a sum of consecutive naturals, for example, 3185351 + ... + 7097216.

It is an arithmetic number, because the mean of its divisors is an integer number (984658711680).

Almost surely, 2^{20112012120011} is an apocalyptic number.

20112012120011 is a deficient number, since it is larger than the sum of its proper divisors (3519796960309).

20112012120011 is a wasteful number, since it uses less digits than its factorization.

20112012120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10282983 (or 10282976 counting only the distinct ones).

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

Adding to 20112012120011 its reverse (11002121021102), we get a palindrome (31114133141113).

The spelling of 20112012120011 in words is "twenty trillion, one hundred twelve billion, twelve million, one hundred twenty thousand, eleven".