12071481823 has 2 divisors, whose sum is σ = 12071481824. Its totient is φ = 12071481822.

The previous prime is 12071481817. The next prime is 12071481881. The reversal of 12071481823 is 32818417021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12071481823 - 2²¹ = 12069384671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071482823) 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 as a sum of consecutive naturals, namely, 6035740911 + 6035740912.

It is an arithmetic number, because the mean of its divisors is an integer number (6035740912).

Almost surely, 2^12071481823 is an apocalyptic number.

12071481823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071481823 is an equidigital number, since it uses as much as digits as its factorization.

12071481823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

Adding to 12071481823 its reverse (32818417021), we get a palindrome (44889898844).

The spelling of 12071481823 in words is "twelve billion, seventy-one million, four hundred eighty-one thousand, eight hundred twenty-three".