12000211121213 has 16 divisors (see below), whose sum is σ = 13764659763456. Its totient is φ = 10248363734400.

The previous prime is 12000211121203. The next prime is 12000211121243. The reversal of 12000211121213 is 31212111200021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12000211121213 - 2¹² = 12000211117117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12000211121191 and 12000211121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000211121203) 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 15 ways as a sum of consecutive naturals, for example, 719306 + ... + 4951547.

It is an arithmetic number, because the mean of its divisors is an integer number (860291235216).

Almost surely, 2^{12000211121213} is an apocalyptic number.

It is an amenable number.

12000211121213 is a deficient number, since it is larger than the sum of its proper divisors (1764448642243).

12000211121213 is an equidigital number, since it uses as much as digits as its factorization.

12000211121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671964.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12000211121213 its reverse (31212111200021), we get a palindrome (43212322321234).

The spelling of 12000211121213 in words is "twelve trillion, two hundred eleven million, one hundred twenty-one thousand, two hundred thirteen".