13212124111 has 2 divisors, whose sum is σ = 13212124112. Its totient is φ = 13212124110.

The previous prime is 13212124109. The next prime is 13212124127. The reversal of 13212124111 is 11142121231.

It is a weak prime.

It is an emirp because it is prime and its reverse (11142121231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13212124111 - 2¹ = 13212124109 is a prime.

Together with 13212124109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13212124151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606062055 + 6606062056.

It is an arithmetic number, because the mean of its divisors is an integer number (6606062056).

Almost surely, 2^13212124111 is an apocalyptic number.

13212124111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212124111 is an equidigital number, since it uses as much as digits as its factorization.

13212124111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

Adding to 13212124111 its reverse (11142121231), we get a palindrome (24354245342).

The spelling of 13212124111 in words is "thirteen billion, two hundred twelve million, one hundred twenty-four thousand, one hundred eleven".