13212134111 has 12 divisors (see below), whose sum is σ = 14525994000. Its totient is φ = 12008082240.

The previous prime is 13212134087. The next prime is 13212134113. The reversal of 13212134111 is 11143121231.

13212134111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212134111 - 2²² = 13207939807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212134113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595190 + ... + 616988.

It is an arithmetic number, because the mean of its divisors is an integer number (1210499500).

Almost surely, 2^13212134111 is an apocalyptic number.

13212134111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13212134111 is a deficient number, since it is larger than the sum of its proper divisors (1313859889).

13212134111 is a wasteful number, since it uses less digits than its factorization.

13212134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830 (or 26819 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 13212134111 its reverse (11143121231), we get a palindrome (24355255342).

The spelling of 13212134111 in words is "thirteen billion, two hundred twelve million, one hundred thirty-four thousand, one hundred eleven".