12362184881 has 4 divisors (see below), whose sum is σ = 12362417700. Its totient is φ = 12361952064.

The previous prime is 12362184869. The next prime is 12362184911. The reversal of 12362184881 is 18848126321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2702440225 + 9659744656 = 51985^2 + 98284^2 .

It is a cyclic number.

It is not a de Polignac number, because 12362184881 - 2¹⁸ = 12361922737 is a prime.

It is a super-2 number, since 2×12362184881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12362184181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485 + ... + 157373.

It is an arithmetic number, because the mean of its divisors is an integer number (3090604425).

Almost surely, 2^12362184881 is an apocalyptic number.

It is an amenable number.

12362184881 is a deficient number, since it is larger than the sum of its proper divisors (232819).

12362184881 is an equidigital number, since it uses as much as digits as its factorization.

12362184881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232818.

The product of its digits is 147456, while the sum is 44.

The spelling of 12362184881 in words is "twelve billion, three hundred sixty-two million, one hundred eighty-four thousand, eight hundred eighty-one".