12000211112011 has 4 divisors (see below), whose sum is σ = 12000228106024. Its totient is φ = 12000194118000.

The previous prime is 12000211112009. The next prime is 12000211112033. The reversal of 12000211112011 is 11021111200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12000211112011 - 2¹ = 12000211112009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000211111982 and 12000211112000.

It is not an unprimeable number, because it can be changed into a prime (12000211112311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7389690 + ... + 8866111.

It is an arithmetic number, because the mean of its divisors is an integer number (3000057026506).

Almost surely, 2^{12000211112011} is an apocalyptic number.

12000211112011 is a deficient number, since it is larger than the sum of its proper divisors (16994013).

12000211112011 is an equidigital number, since it uses as much as digits as its factorization.

12000211112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994012.

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

Adding to 12000211112011 its reverse (11021111200021), we get a palindrome (23021322312032).

The spelling of 12000211112011 in words is "twelve trillion, two hundred eleven million, one hundred twelve thousand, eleven".