12362720641 has 2 divisors, whose sum is σ = 12362720642. Its totient is φ = 12362720640.

The previous prime is 12362720581. The next prime is 12362720653. The reversal of 12362720641 is 14602726321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12324330225 + 38390416 = 111015^2 + 6196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12362720641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12362720597 and 12362720606.

It is not a weakly prime, because it can be changed into another prime (12362720681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6181360320 + 6181360321.

It is an arithmetic number, because the mean of its divisors is an integer number (6181360321).

Almost surely, 2^12362720641 is an apocalyptic number.

It is an amenable number.

12362720641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12362720641 is an equidigital number, since it uses as much as digits as its factorization.

12362720641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 12362720641 in words is "twelve billion, three hundred sixty-two million, seven hundred twenty thousand, six hundred forty-one".