12133205647 has 2 divisors, whose sum is σ = 12133205648. Its totient is φ = 12133205646.

The previous prime is 12133205633. The next prime is 12133205657. The reversal of 12133205647 is 74650233121.

It is a strong prime.

It is an emirp because it is prime and its reverse (74650233121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12133205647 - 2²⁷ = 11998987919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133205657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066602823 + 6066602824.

It is an arithmetic number, because the mean of its divisors is an integer number (6066602824).

Almost surely, 2^12133205647 is an apocalyptic number.

12133205647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133205647 is an equidigital number, since it uses as much as digits as its factorization.

12133205647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 12133205647 its reverse (74650233121), we get a palindrome (86783438768).

The spelling of 12133205647 in words is "twelve billion, one hundred thirty-three million, two hundred five thousand, six hundred forty-seven".