12013443213211 has 8 divisors (see below), whose sum is σ = 13125830333184. Its totient is φ = 10904432079720.

The previous prime is 12013443213197. The next prime is 12013443213293. The reversal of 12013443213211 is 11231234431021.

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 12013443213211 - 2¹¹ = 12013443211163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12013443213211.

It is not an unprimeable number, because it can be changed into a prime (12013443213311) 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, 843989175 + ... + 844003408.

It is an arithmetic number, because the mean of its divisors is an integer number (1640728791648).

Almost surely, 2^{12013443213211} is an apocalyptic number.

12013443213211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12013443213211 is a deficient number, since it is larger than the sum of its proper divisors (1112387119973).

12013443213211 is a wasteful number, since it uses less digits than its factorization.

12013443213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687993241.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12013443213211 its reverse (11231234431021), we get a palindrome (23244677644232).

The spelling of 12013443213211 in words is "twelve trillion, thirteen billion, four hundred forty-three million, two hundred thirteen thousand, two hundred eleven".