12302243537 has 2 divisors, whose sum is σ = 12302243538. Its totient is φ = 12302243536.

The previous prime is 12302243531. The next prime is 12302243539. The reversal of 12302243537 is 73534220321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6690585616 + 5611657921 = 81796^2 + 74911^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302243537 - 2⁸ = 12302243281 is a prime.

Together with 12302243539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12302243531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151121768 + 6151121769.

It is an arithmetic number, because the mean of its divisors is an integer number (6151121769).

Almost surely, 2^12302243537 is an apocalyptic number.

It is an amenable number.

12302243537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302243537 is an equidigital number, since it uses as much as digits as its factorization.

12302243537 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 32.

Adding to 12302243537 its reverse (73534220321), we get a palindrome (85836463858).

The spelling of 12302243537 in words is "twelve billion, three hundred two million, two hundred forty-three thousand, five hundred thirty-seven".