1123330212013 has 2 divisors, whose sum is σ = 1123330212014. Its totient is φ = 1123330212012.

The previous prime is 1123330211959. The next prime is 1123330212019. The reversal of 1123330212013 is 3102120333211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1076752802889 + 46577409124 = 1037667^2 + 215818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123330212013 - 2²¹ = 1123328114861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123330212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561665106006 + 561665106007.

It is an arithmetic number, because the mean of its divisors is an integer number (561665106007).

Almost surely, 2^{1123330212013} is an apocalyptic number.

It is an amenable number.

1123330212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123330212013 is an equidigital number, since it uses as much as digits as its factorization.

1123330212013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123330212013 its reverse (3102120333211), we get a palindrome (4225450545224).

The spelling of 1123330212013 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, two hundred twelve thousand, thirteen".