12443133450 has 48 divisors (see below), whose sum is σ = 33664336416. Its totient is φ = 3016516800.

The previous prime is 12443133413. The next prime is 12443133467. The reversal of 12443133450 is 5433134421.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3768997 + ... + 3772296.

It is an arithmetic number, because the mean of its divisors is an integer number (701340342).

Almost surely, 2^12443133450 is an apocalyptic number.

12443133450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443133450 is an abundant number, since it is smaller than the sum of its proper divisors (21221202966).

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

12443133450 is a wasteful number, since it uses less digits than its factorization.

12443133450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541319 (or 7541314 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12443133450 its reverse (5433134421), we get a palindrome (17876267871).

The spelling of 12443133450 in words is "twelve billion, four hundred forty-three million, one hundred thirty-three thousand, four hundred fifty".