12012002212111 has 8 divisors (see below), whose sum is σ = 13318822125648. Its totient is φ = 10740985584000.

The previous prime is 12012002212033. The next prime is 12012002212159. The reversal of 12012002212111 is 11121220021021.

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 12012002212111 - 2¹⁷ = 12012002081039 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 (12012002219111) 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, 8950820650 + ... + 8950821991.

It is an arithmetic number, because the mean of its divisors is an integer number (1664852765706).

Almost surely, 2^{12012002212111} is an apocalyptic number.

12012002212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012002212111 is a deficient number, since it is larger than the sum of its proper divisors (1306819913537).

12012002212111 is a wasteful number, since it uses less digits than its factorization.

12012002212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17901642713.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012002212111 its reverse (11121220021021), we get a palindrome (23133222233132).

The spelling of 12012002212111 in words is "twelve trillion, twelve billion, two million, two hundred twelve thousand, one hundred eleven".