12702348661 has 2 divisors, whose sum is σ = 12702348662. Its totient is φ = 12702348660.

The previous prime is 12702348653. The next prime is 12702348679. The reversal of 12702348661 is 16684320721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12247848900 + 454499761 = 110670^2 + 21319^2 .

It is an emirp because it is prime and its reverse (16684320721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12702348661 - 2³ = 12702348653 is a prime.

It is a super-2 number, since 2×12702348661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12702348761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351174330 + 6351174331.

It is an arithmetic number, because the mean of its divisors is an integer number (6351174331).

Almost surely, 2^12702348661 is an apocalyptic number.

It is an amenable number.

12702348661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12702348661 is an equidigital number, since it uses as much as digits as its factorization.

12702348661 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12702348661 in words is "twelve billion, seven hundred two million, three hundred forty-eight thousand, six hundred sixty-one".