12520045253 has 2 divisors, whose sum is σ = 12520045254. Its totient is φ = 12520045252.

The previous prime is 12520045217. The next prime is 12520045289. The reversal of 12520045253 is 35254002521.

It is a balanced prime because it is at equal distance from previous prime (12520045217) and next prime (12520045289).

It can be written as a sum of positive squares in only one way, i.e., 8452411969 + 4067633284 = 91937^2 + 63778^2 .

It is a cyclic number.

It is not a de Polignac number, because 12520045253 - 2⁶ = 12520045189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520045553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260022626 + 6260022627.

It is an arithmetic number, because the mean of its divisors is an integer number (6260022627).

Almost surely, 2^12520045253 is an apocalyptic number.

It is an amenable number.

12520045253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520045253 is an equidigital number, since it uses as much as digits as its factorization.

12520045253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 12520045253 its reverse (35254002521), we get a palindrome (47774047774).

The spelling of 12520045253 in words is "twelve billion, five hundred twenty million, forty-five thousand, two hundred fifty-three".