12012001111011 has 32 divisors (see below), whose sum is σ = 17492346512640. Its totient is φ = 7271527593600.

The previous prime is 12012001111009. The next prime is 12012001111063. The reversal of 12012001111011 is 11011110021021.

It is not a de Polignac number, because 12012001111011 - 2¹ = 12012001111009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012001111211) 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, 126965721 + ... + 127060293.

It is an arithmetic number, because the mean of its divisors is an integer number (546635828520).

Almost surely, 2^{12012001111011} is an apocalyptic number.

12012001111011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012001111011 is a deficient number, since it is larger than the sum of its proper divisors (5480345401629).

12012001111011 is a wasteful number, since it uses less digits than its factorization.

12012001111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99027.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12012001111011 its reverse (11011110021021), we get a palindrome (23023111132032).

The spelling of 12012001111011 in words is "twelve trillion, twelve billion, one million, one hundred eleven thousand, eleven".