12133220243 has 2 divisors, whose sum is σ = 12133220244. Its totient is φ = 12133220242.

The previous prime is 12133220221. The next prime is 12133220249. The reversal of 12133220243 is 34202233121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12133220243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12133220249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066610121 + 6066610122.

It is an arithmetic number, because the mean of its divisors is an integer number (6066610122).

Almost surely, 2^12133220243 is an apocalyptic number.

12133220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133220243 is an equidigital number, since it uses as much as digits as its factorization.

12133220243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12133220243 its reverse (34202233121), we get a palindrome (46335453364).

The spelling of 12133220243 in words is "twelve billion, one hundred thirty-three million, two hundred twenty thousand, two hundred forty-three".