12000311211 has 8 divisors (see below), whose sum is σ = 18286188544. Its totient is φ = 6857320680.

The previous prime is 12000311179. The next prime is 12000311231. The reversal of 12000311211 is 11211300021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000311211 - 2⁵ = 12000311179 is a prime.

It is a super-3 number, since 3×12000311211³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000311231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285721675 + ... + 285721716.

It is an arithmetic number, because the mean of its divisors is an integer number (2285773568).

Almost surely, 2^12000311211 is an apocalyptic number.

12000311211 is a deficient number, since it is larger than the sum of its proper divisors (6285877333).

12000311211 is an equidigital number, since it uses as much as digits as its factorization.

12000311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571443401.

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

Adding to 12000311211 its reverse (11211300021), we get a palindrome (23211611232).

The spelling of 12000311211 in words is "twelve billion, three hundred eleven thousand, two hundred eleven".