13212322101211 has 4 divisors (see below), whose sum is σ = 13316356133632. Its totient is φ = 13108288068792.

The previous prime is 13212322101149. The next prime is 13212322101229. The reversal of 13212322101211 is 11210122321231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13212322101211 - 2¹⁷ = 13212321970139 is a prime.

It is a super-2 number, since 2×13212322101211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212322101241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52017016020 + ... + 52017016273.

It is an arithmetic number, because the mean of its divisors is an integer number (3329089033408).

Almost surely, 2^{13212322101211} is an apocalyptic number.

13212322101211 is a deficient number, since it is larger than the sum of its proper divisors (104034032421).

13212322101211 is a wasteful number, since it uses less digits than its factorization.

13212322101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104034032420.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13212322101211 its reverse (11210122321231), we get a palindrome (24422444422442).

The spelling of 13212322101211 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty-two million, one hundred one thousand, two hundred eleven".