12011303 has 2 divisors, whose sum is σ = 12011304. Its totient is φ = 12011302.

The previous prime is 12011297. The next prime is 12011309. The reversal of 12011303 is 30311021.

12011303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12011297) and next prime (12011309).

It is a cyclic number.

It is not a de Polignac number, because 12011303 - 2⁸ = 12011047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005651 + 6005652.

It is an arithmetic number, because the mean of its divisors is an integer number (6005652).

Almost surely, 2^12011303 is an apocalyptic number.

12011303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011303 is an equidigital number, since it uses as much as digits as its factorization.

12011303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 12011303 is about 3465.7326786698. The cubic root of 12011303 is about 229.0147076485.

Adding to 12011303 its reverse (30311021), we get a palindrome (42322324).

The spelling of 12011303 in words is "twelve million, eleven thousand, three hundred three".