12745253488 has 80 divisors (see below), whose sum is σ = 28530245376. Its totient is φ = 5458590720.

The previous prime is 12745253467. The next prime is 12745253491. The reversal of 12745253488 is 88435254721.

It is a super-2 number, since 2×12745253488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247720 + ... + 294712.

Almost surely, 2^12745253488 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 12745253488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14265122688).

12745253488 is an abundant number, since it is smaller than the sum of its proper divisors (15784991888).

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

12745253488 is a wasteful number, since it uses less digits than its factorization.

12745253488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47102 (or 47096 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The spelling of 12745253488 in words is "twelve billion, seven hundred forty-five million, two hundred fifty-three thousand, four hundred eighty-eight".