12363180565921 has 2 divisors, whose sum is σ = 12363180565922. Its totient is φ = 12363180565920.

The previous prime is 12363180565907. The next prime is 12363180565927. The reversal of 12363180565921 is 12956508136321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7342533703521 + 5020646862400 = 2709711^2 + 2240680^2 .

It is a cyclic number.

It is not a de Polignac number, because 12363180565921 - 2²¹ = 12363178468769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12363180565927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6181590282960 + 6181590282961.

It is an arithmetic number, because the mean of its divisors is an integer number (6181590282961).

Almost surely, 2^{12363180565921} is an apocalyptic number.

It is an amenable number.

12363180565921 is a deficient number, since it is larger than the sum of its proper divisors (1).

12363180565921 is an equidigital number, since it uses as much as digits as its factorization.

12363180565921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 12363180565921 in words is "twelve trillion, three hundred sixty-three billion, one hundred eighty million, five hundred sixty-five thousand, nine hundred twenty-one".