12011012012111 has 8 divisors (see below), whose sum is σ = 13862780484384. Its totient is φ = 10193220943200.

The previous prime is 12011012012089. The next prime is 12011012012119. The reversal of 12011012012111 is 11121021011021.

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

It is a cyclic number.

It is not a de Polignac number, because 12011012012111 - 2¹⁰ = 12011012011087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011012012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8494350080 + ... + 8494351493.

It is an arithmetic number, because the mean of its divisors is an integer number (1732847560548).

Almost surely, 2^{12011012012111} is an apocalyptic number.

12011012012111 is a deficient number, since it is larger than the sum of its proper divisors (1851768472273).

12011012012111 is a wasteful number, since it uses less digits than its factorization.

12011012012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988701681.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12011012012111 its reverse (11121021011021), we get a palindrome (23132033023132).

The spelling of 12011012012111 in words is "twelve trillion, eleven billion, twelve million, twelve thousand, one hundred eleven".