12000450000 has 480 divisors, whose sum is σ = 48356904960. Its totient is φ = 2491200000.

The previous prime is 12000449927. The next prime is 12000450053. The reversal of 12000450000 is 5400021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 11549481 + ... + 11550519.

It is an arithmetic number, because the mean of its divisors is an integer number (100743552).

Almost surely, 2^12000450000 is an apocalyptic number.

12000450000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24178452480).

12000450000 is an abundant number, since it is smaller than the sum of its proper divisors (36356454960).

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

12000450000 is a wasteful number, since it uses less digits than its factorization.

12000450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 12000450000 its reverse (5400021), we get a palindrome (12005850021).

The spelling of 12000450000 in words is "twelve billion, four hundred fifty thousand".