12450003544 has 64 divisors (see below), whose sum is σ = 25966432800. Its totient is φ = 5548953600.

The previous prime is 12450003539. The next prime is 12450003613. The reversal of 12450003544 is 44530005421.

It is a super-2 number, since 2×12450003544² (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, 923734 + ... + 937114.

Almost surely, 2^12450003544 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 12450003544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12983216400).

12450003544 is an abundant number, since it is smaller than the sum of its proper divisors (13516429256).

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

12450003544 is a wasteful number, since it uses less digits than its factorization.

12450003544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604 (or 13600 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12450003544 its reverse (44530005421), we get a palindrome (56980008965).

The spelling of 12450003544 in words is "twelve billion, four hundred fifty million, three thousand, five hundred forty-four".