5621003320612 has 24 divisors (see below), whose sum is σ = 9868681217304. Its totient is φ = 2801384742912.

The previous prime is 5621003320579. The next prime is 5621003320633. The reversal of 5621003320612 is 2160233001265.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 390707504356 + 5230295816256 = 625066^2 + 2286984^2 .

It is a super-2 number, since 2×5621003320612² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4299288 + ... + 5452144.

It is an arithmetic number, because the mean of its divisors is an integer number (411195050721).

Almost surely, 2^{5621003320612} is an apocalyptic number.

It is an amenable number.

5621003320612 is a deficient number, since it is larger than the sum of its proper divisors (4247677896692).

5621003320612 is a wasteful number, since it uses less digits than its factorization.

5621003320612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156815 (or 1156813 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 5621003320612 its reverse (2160233001265), we get a palindrome (7781236321877).

The spelling of 5621003320612 in words is "five trillion, six hundred twenty-one billion, three million, three hundred twenty thousand, six hundred twelve".