12043253253 has 4 divisors (see below), whose sum is σ = 16057671008. Its totient is φ = 8028835500.

The previous prime is 12043253249. The next prime is 12043253311. The reversal of 12043253253 is 35235234021.

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.

It is not a de Polignac number, because 12043253253 - 2² = 12043253249 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 12043253253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043253213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007208873 + ... + 2007208878.

It is an arithmetic number, because the mean of its divisors is an integer number (4014417752).

Almost surely, 2^12043253253 is an apocalyptic number.

It is an amenable number.

12043253253 is a deficient number, since it is larger than the sum of its proper divisors (4014417755).

12043253253 is an equidigital number, since it uses as much as digits as its factorization.

12043253253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014417754.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12043253253 its reverse (35235234021), we get a palindrome (47278487274).

The spelling of 12043253253 in words is "twelve billion, forty-three million, two hundred fifty-three thousand, two hundred fifty-three".