12011120212011 has 8 divisors (see below), whose sum is σ = 16034573964864. Its totient is φ = 7997539966920.

The previous prime is 12011120212001. The next prime is 12011120212057. The reversal of 12011120212011 is 11021202111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011120212011 - 2⁹ = 12011120211499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011120212001) 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 7 ways as a sum of consecutive naturals, for example, 2468374101 + ... + 2468378966.

It is an arithmetic number, because the mean of its divisors is an integer number (2004321745608).

Almost surely, 2^{12011120212011} is an apocalyptic number.

12011120212011 is a deficient number, since it is larger than the sum of its proper divisors (4023453752853).

12011120212011 is an equidigital number, since it uses as much as digits as its factorization.

12011120212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936753881.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011120212011 its reverse (11021202111021), we get a palindrome (23032322323032).

The spelling of 12011120212011 in words is "twelve trillion, eleven billion, one hundred twenty million, two hundred twelve thousand, eleven".