12261413253 has 4 divisors (see below), whose sum is σ = 16348551008. Its totient is φ = 8174275500.

The previous prime is 12261413249. The next prime is 12261413257. The reversal of 12261413253 is 35231416221.

12261413253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35231416221 = 3 ⋅11743805407.

It is an interprime number because it is at equal distance from previous prime (12261413249) and next prime (12261413257).

It is not a de Polignac number, because 12261413253 - 2² = 12261413249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12261413253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261413257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043568873 + ... + 2043568878.

It is an arithmetic number, because the mean of its divisors is an integer number (4087137752).

Almost surely, 2^12261413253 is an apocalyptic number.

It is an amenable number.

12261413253 is a deficient number, since it is larger than the sum of its proper divisors (4087137755).

12261413253 is an equidigital number, since it uses as much as digits as its factorization.

12261413253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087137754.

The product of its digits is 8640, while the sum is 30.

Adding to 12261413253 its reverse (35231416221), we get a palindrome (47492829474).

The spelling of 12261413253 in words is "twelve billion, two hundred sixty-one million, four hundred thirteen thousand, two hundred fifty-three".