12133032450 has 192 divisors, whose sum is σ = 39146637312. Its totient is φ = 2411481600.

The previous prime is 12133032437. The next prime is 12133032493. The reversal of 12133032450 is 5423033121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133032450.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 242814 + ... + 288486.

It is an arithmetic number, because the mean of its divisors is an integer number (203888736).

Almost surely, 2^12133032450 is an apocalyptic number.

12133032450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12133032450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19573318656).

12133032450 is an abundant number, since it is smaller than the sum of its proper divisors (27013604862).

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

12133032450 is a wasteful number, since it uses less digits than its factorization.

12133032450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45729 (or 45724 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12133032450 its reverse (5423033121), we get a palindrome (17556065571).

The spelling of 12133032450 in words is "twelve billion, one hundred thirty-three million, thirty-two thousand, four hundred fifty".