4320221012 has 48 divisors (see below), whose sum is σ = 7900042752. Its totient is φ = 2065539840.

The previous prime is 4320220997. The next prime is 4320221021. The reversal of 4320221012 is 2101220234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799113 + ... + 2800655.

It is an arithmetic number, because the mean of its divisors is an integer number (164584224).

Almost surely, 2^4320221012 is an apocalyptic number.

It is an amenable number.

4320221012 is a deficient number, since it is larger than the sum of its proper divisors (3579821740).

4320221012 is a wasteful number, since it uses less digits than its factorization.

4320221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4320221012 is about 65728.3881743650. The cubic root of 4320221012 is about 1628.6783435049.

Adding to 4320221012 its reverse (2101220234), we get a palindrome (6421441246).

The spelling of 4320221012 in words is "four billion, three hundred twenty million, two hundred twenty-one thousand, twelve".