13212301211 has 4 divisors (see below), whose sum is σ = 13214962992. Its totient is φ = 13209639432.

The previous prime is 13212301199. The next prime is 13212301229. The reversal of 13212301211 is 11210321231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11210321231 = 47 ⋅238517473.

It is a cyclic number.

It is not a de Polignac number, because 13212301211 - 2¹⁸ = 13212039067 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 13212301211.

It is not an unprimeable number, because it can be changed into a prime (13212301261) 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 3 ways as a sum of consecutive naturals, for example, 1323431 + ... + 1333376.

It is an arithmetic number, because the mean of its divisors is an integer number (3303740748).

Almost surely, 2^13212301211 is an apocalyptic number.

13212301211 is a deficient number, since it is larger than the sum of its proper divisors (2661781).

13212301211 is an equidigital number, since it uses as much as digits as its factorization.

13212301211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661780.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13212301211 its reverse (11210321231), we get a palindrome (24422622442).

The spelling of 13212301211 in words is "thirteen billion, two hundred twelve million, three hundred one thousand, two hundred eleven".