12012243337 has 2 divisors, whose sum is σ = 12012243338. Its totient is φ = 12012243336.

The previous prime is 12012243317. The next prime is 12012243391. The reversal of 12012243337 is 73334221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10645906041 + 1366337296 = 103179^2 + 36964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012243337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006121668 + 6006121669.

It is an arithmetic number, because the mean of its divisors is an integer number (6006121669).

Almost surely, 2^12012243337 is an apocalyptic number.

It is an amenable number.

12012243337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012243337 is an equidigital number, since it uses as much as digits as its factorization.

12012243337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 12012243337 its reverse (73334221021), we get a palindrome (85346464358).

The spelling of 12012243337 in words is "twelve billion, twelve million, two hundred forty-three thousand, three hundred thirty-seven".