12111120193 has 2 divisors, whose sum is σ = 12111120194. Its totient is φ = 12111120192.

The previous prime is 12111120139. The next prime is 12111120361. The reversal of 12111120193 is 39102111121.

Together with previous prime (12111120139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7732915969 + 4378204224 = 87937^2 + 66168^2 .

It is an emirp because it is prime and its reverse (39102111121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111120193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111126193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055560096 + 6055560097.

It is an arithmetic number, because the mean of its divisors is an integer number (6055560097).

Almost surely, 2^12111120193 is an apocalyptic number.

It is an amenable number.

12111120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111120193 is an equidigital number, since it uses as much as digits as its factorization.

12111120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 12111120193 in words is "twelve billion, one hundred eleven million, one hundred twenty thousand, one hundred ninety-three".