12520273223 has 2 divisors, whose sum is σ = 12520273224. Its totient is φ = 12520273222.

The previous prime is 12520273187. The next prime is 12520273291. The reversal of 12520273223 is 32237202521.

It is a weak prime.

It is an emirp because it is prime and its reverse (32237202521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12520273223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520275223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260136611 + 6260136612.

It is an arithmetic number, because the mean of its divisors is an integer number (6260136612).

Almost surely, 2^12520273223 is an apocalyptic number.

12520273223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520273223 is an equidigital number, since it uses as much as digits as its factorization.

12520273223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 12520273223 its reverse (32237202521), we get a palindrome (44757475744).

The spelling of 12520273223 in words is "twelve billion, five hundred twenty million, two hundred seventy-three thousand, two hundred twenty-three".