12184903261 has 2 divisors, whose sum is σ = 12184903262. Its totient is φ = 12184903260.

The previous prime is 12184903207. The next prime is 12184903277. The reversal of 12184903261 is 16230948121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8304859161 + 3880044100 = 91131^2 + 62290^2 .

It is an emirp because it is prime and its reverse (16230948121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12184903261 - 2¹³ = 12184895069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12184903261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12184903061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092451630 + 6092451631.

It is an arithmetic number, because the mean of its divisors is an integer number (6092451631).

Almost surely, 2^12184903261 is an apocalyptic number.

It is an amenable number.

12184903261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12184903261 is an equidigital number, since it uses as much as digits as its factorization.

12184903261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12184903261 in words is "twelve billion, one hundred eighty-four million, nine hundred three thousand, two hundred sixty-one".