12012033320211 has 4 divisors (see below), whose sum is σ = 16016044426952. Its totient is φ = 8008022213472.

The previous prime is 12012033320207. The next prime is 12012033320213. The reversal of 12012033320211 is 11202333021021.

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

It is not a de Polignac number, because 12012033320211 - 2² = 12012033320207 is a prime.

It is a super-2 number, since 2×12012033320211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012033320213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2002005553366 + ... + 2002005553371.

It is an arithmetic number, because the mean of its divisors is an integer number (4004011106738).

Almost surely, 2^{12012033320211} is an apocalyptic number.

12012033320211 is a deficient number, since it is larger than the sum of its proper divisors (4004011106741).

12012033320211 is an equidigital number, since it uses as much as digits as its factorization.

12012033320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004011106740.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012033320211 its reverse (11202333021021), we get a palindrome (23214366341232).

The spelling of 12012033320211 in words is "twelve trillion, twelve billion, thirty-three million, three hundred twenty thousand, two hundred eleven".