12147733360537 has 2 divisors, whose sum is σ = 12147733360538. Its totient is φ = 12147733360536.

The previous prime is 12147733360471. The next prime is 12147733360541. The reversal of 12147733360537 is 73506333774121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8136990156681 + 4010743203856 = 2852541^2 + 2002684^2 .

It is a cyclic number.

It is not a de Polignac number, because 12147733360537 - 2³¹ = 12145585876889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12147733360577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073866680268 + 6073866680269.

It is an arithmetic number, because the mean of its divisors is an integer number (6073866680269).

Almost surely, 2^{12147733360537} is an apocalyptic number.

It is an amenable number.

12147733360537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147733360537 is an equidigital number, since it uses as much as digits as its factorization.

12147733360537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 12147733360537 in words is "twelve trillion, one hundred forty-seven billion, seven hundred thirty-three million, three hundred sixty thousand, five hundred thirty-seven".