43221200000000 has 1188 divisors, whose sum is σ = 127617590909760. Its totient is φ = 14572800000000.

The previous prime is 43221199999969. The next prime is 43221200000053. The reversal of 43221200000000 is 212234.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 919599999977 + ... + 919600000023.

Almost surely, 2^{43221200000000} is an apocalyptic number.

43221200000000 is a gapful number since it is divisible by the number (40) 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 43221200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63808795454880).

43221200000000 is an abundant number, since it is smaller than the sum of its proper divisors (84396390909760).

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

43221200000000 is an frugal number, since it uses more digits than its factorization.

43221200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 43221200000000 its reverse (212234), we get a palindrome (43221200212234).

The spelling of 43221200000000 in words is "forty-three trillion, two hundred twenty-one billion, two hundred million", and thus it is an aban number.