43220221012 has 48 divisors (see below), whose sum is σ = 80904096000. Its totient is φ = 20152605440.

The previous prime is 43220221003. The next prime is 43220221019. The reversal of 43220221012 is 21012202234.

It is a super-2 number, since 2×43220221012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7348689 + ... + 7354567.

It is an arithmetic number, because the mean of its divisors is an integer number (1685502000).

Almost surely, 2^43220221012 is an apocalyptic number.

It is an amenable number.

43220221012 is a deficient number, since it is larger than the sum of its proper divisors (37683874988).

43220221012 is a wasteful number, since it uses less digits than its factorization.

43220221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896 (or 7894 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 43220221012 its reverse (21012202234), we get a palindrome (64232423246).

The spelling of 43220221012 in words is "forty-three billion, two hundred twenty million, two hundred twenty-one thousand, twelve".