12000211201111 has 16 divisors (see below), whose sum is σ = 13890587351040. Its totient is φ = 10153896217920.

The previous prime is 12000211201087. The next prime is 12000211201193. The reversal of 12000211201111 is 11110211200021.

It is a happy number.

It is not a de Polignac number, because 12000211201111 - 2⁹ = 12000211200599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000211201091 and 12000211201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000211201211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210326 + ... + 5046316.

It is an arithmetic number, because the mean of its divisors is an integer number (868161709440).

Almost surely, 2^{12000211201111} is an apocalyptic number.

12000211201111 is a deficient number, since it is larger than the sum of its proper divisors (1890376149929).

12000211201111 is an equidigital number, since it uses as much as digits as its factorization.

12000211201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841734.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12000211201111 its reverse (11110211200021), we get a palindrome (23110422401132).

The spelling of 12000211201111 in words is "twelve trillion, two hundred eleven million, two hundred one thousand, one hundred eleven".