12245435253 has 10 divisors (see below), whose sum is σ = 18292563894. Its totient is φ = 8163623448.

The previous prime is 12245435201. The next prime is 12245435261. The reversal of 12245435253 is 35253454221.

12245435253 is a `hidden beast` number, since 12 + 2 + 4 + 543 + 52 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7314867729 + 4930567524 = 85527^2 + 70218^2 .

It is not a de Polignac number, because 12245435253 - 2⁹ = 12245434741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245435353) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75589026 + ... + 75589187.

Almost surely, 2^12245435253 is an apocalyptic number.

It is an amenable number.

12245435253 is a deficient number, since it is larger than the sum of its proper divisors (6047128641).

12245435253 is an equidigital number, since it uses as much as digits as its factorization.

12245435253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151178225 (or 151178216 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 12245435253 its reverse (35253454221), we get a palindrome (47498889474).

The spelling of 12245435253 in words is "twelve billion, two hundred forty-five million, four hundred thirty-five thousand, two hundred fifty-three".