1232112111211 has 2 divisors, whose sum is σ = 1232112111212. Its totient is φ = 1232112111210.

The previous prime is 1232112111149. The next prime is 1232112111259. The reversal of 1232112111211 is 1121112112321.

It is a m-pointer prime, because the next prime (1232112111259) can be obtained adding 1232112111211 to its product of digits (48).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232112111211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232112111271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616056055605 + 616056055606.

It is an arithmetic number, because the mean of its divisors is an integer number (616056055606).

Almost surely, 2^{1232112111211} is an apocalyptic number.

1232112111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232112111211 is an equidigital number, since it uses as much as digits as its factorization.

1232112111211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 19.

Adding to 1232112111211 its reverse (1121112112321), we get a palindrome (2353224223532).

The spelling of 1232112111211 in words is "one trillion, two hundred thirty-two billion, one hundred twelve million, one hundred eleven thousand, two hundred eleven".