12303213511 has 2 divisors, whose sum is σ = 12303213512. Its totient is φ = 12303213510.

The previous prime is 12303213499. The next prime is 12303213553. The reversal of 12303213511 is 11531230321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12303213511 - 2¹¹ = 12303211463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303213581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151606755 + 6151606756.

It is an arithmetic number, because the mean of its divisors is an integer number (6151606756).

Almost surely, 2^12303213511 is an apocalyptic number.

12303213511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303213511 is an equidigital number, since it uses as much as digits as its factorization.

12303213511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 12303213511 its reverse (11531230321), we get a palindrome (23834443832).

The spelling of 12303213511 in words is "twelve billion, three hundred three million, two hundred thirteen thousand, five hundred eleven".