1028212224064 has 21 divisors (see below), whose sum is σ = 2040374729631. Its totient is φ = 514102056000.

The previous prime is 1028212224047. The next prime is 1028212224097. The reversal of 1028212224064 is 4604222128201.

The square root of 1028212224064 is 1014008.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 8048689 + ... + 8175439.

It is an arithmetic number, because the mean of its divisors is an integer number (97160701411).

Almost surely, 2^{1028212224064} is an apocalyptic number.

1028212224064 is the 1014008-th square number.

It is an amenable number.

1028212224064 is a deficient number, since it is larger than the sum of its proper divisors (1012162505567).

1028212224064 is an frugal number, since it uses more digits than its factorization.

1028212224064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253514 (or 126753 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 1028212224064 in words is "one trillion, twenty-eight billion, two hundred twelve million, two hundred twenty-four thousand, sixty-four".