12302487661 has 2 divisors, whose sum is σ = 12302487662. Its totient is φ = 12302487660.

The previous prime is 12302487647. The next prime is 12302487667. The reversal of 12302487661 is 16678420321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6188811561 + 6113676100 = 78669^2 + 78190^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302487661 - 2³³ = 3712553069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12302487667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151243830 + 6151243831.

It is an arithmetic number, because the mean of its divisors is an integer number (6151243831).

Almost surely, 2^12302487661 is an apocalyptic number.

It is an amenable number.

12302487661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302487661 is an equidigital number, since it uses as much as digits as its factorization.

12302487661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12302487661 in words is "twelve billion, three hundred two million, four hundred eighty-seven thousand, six hundred sixty-one".