12207051617 has 2 divisors, whose sum is σ = 12207051618. Its totient is φ = 12207051616.

The previous prime is 12207051599. The next prime is 12207051643. The reversal of 12207051617 is 71615070221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12191693056 + 15358561 = 110416^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 12207051617 - 2¹² = 12207047521 is a prime.

It is not a weakly prime, because it can be changed into another prime (12207051217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103525808 + 6103525809.

It is an arithmetic number, because the mean of its divisors is an integer number (6103525809).

Almost surely, 2^12207051617 is an apocalyptic number.

It is an amenable number.

12207051617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207051617 is an equidigital number, since it uses as much as digits as its factorization.

12207051617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 12207051617 in words is "twelve billion, two hundred seven million, fifty-one thousand, six hundred seventeen".