12454003550 has 48 divisors (see below), whose sum is σ = 24268780032. Its totient is φ = 4748911200.

The previous prime is 12454003543. The next prime is 12454003561. The reversal of 12454003550 is 5530045421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43889 + ... + 163811.

It is an arithmetic number, because the mean of its divisors is an integer number (505599584).

Almost surely, 2^12454003550 is an apocalyptic number.

12454003550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12454003550 is a deficient number, since it is larger than the sum of its proper divisors (11814776482).

12454003550 is a wasteful number, since it uses less digits than its factorization.

12454003550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120033 (or 120028 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 12454003550 its reverse (5530045421), we get a palindrome (17984048971).

The spelling of 12454003550 in words is "twelve billion, four hundred fifty-four million, three thousand, five hundred fifty".