12253103544 has 128 divisors (see below), whose sum is σ = 34486663680. Its totient is φ = 3595622400.

The previous prime is 12253103543. The next prime is 12253103561. The reversal of 12253103544 is 44530135221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253103543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478757 + ... + 1487019.

It is an arithmetic number, because the mean of its divisors is an integer number (269427060).

Almost surely, 2^12253103544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12253103544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17243331840).

12253103544 is an abundant number, since it is smaller than the sum of its proper divisors (22233560136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12253103544 is a wasteful number, since it uses less digits than its factorization.

12253103544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461 (or 8457 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12253103544 its reverse (44530135221), we get a palindrome (56783238765).

The spelling of 12253103544 in words is "twelve billion, two hundred fifty-three million, one hundred three thousand, five hundred forty-four".