12012100101111 has 8 divisors (see below), whose sum is σ = 17472145601664. Its totient is φ = 7280060667320.

The previous prime is 12012100101109. The next prime is 12012100101119. The reversal of 12012100101111 is 11110100121021.

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 12012100101111 - 2¹ = 12012100101109 is a prime.

It is a super-2 number, since 2×12012100101111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012100101119) 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, 182001516651 + ... + 182001516716.

It is an arithmetic number, because the mean of its divisors is an integer number (2184018200208).

Almost surely, 2^{12012100101111} is an apocalyptic number.

12012100101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012100101111 is a deficient number, since it is larger than the sum of its proper divisors (5460045500553).

12012100101111 is a wasteful number, since it uses less digits than its factorization.

12012100101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364003033381.

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

Adding to 12012100101111 its reverse (11110100121021), we get a palindrome (23122200222132).

The spelling of 12012100101111 in words is "twelve trillion, twelve billion, one hundred million, one hundred one thousand, one hundred eleven".