12321201311211 has 64 divisors (see below), whose sum is σ = 18685050531840. Its totient is φ = 7171754325120.

The previous prime is 12321201311197. The next prime is 12321201311231. The reversal of 12321201311211 is 11211310212321.

It is not a de Polignac number, because 12321201311211 - 2¹⁵ = 12321201278443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321201311231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5699866 + ... + 7558496.

It is an arithmetic number, because the mean of its divisors is an integer number (291953914560).

Almost surely, 2^{12321201311211} is an apocalyptic number.

12321201311211 is a deficient number, since it is larger than the sum of its proper divisors (6363849220629).

12321201311211 is a wasteful number, since it uses less digits than its factorization.

12321201311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858816.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12321201311211 its reverse (11211310212321), we get a palindrome (23532511523532).

The spelling of 12321201311211 in words is "twelve trillion, three hundred twenty-one billion, two hundred one million, three hundred eleven thousand, two hundred eleven".