7220012753352 has 128 divisors (see below), whose sum is σ = 21051072000000. Its totient is φ = 2062716522048.

The previous prime is 7220012753339. The next prime is 7220012753357. The reversal of 7220012753352 is 2533572100227.

It is a self number, because there is not a number n which added to its sum of digits gives 7220012753352.

It is not an unprimeable number, because it can be changed into a prime (7220012753357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186838849 + ... + 186877487.

It is an arithmetic number, because the mean of its divisors is an integer number (164461500000).

Almost surely, 2^{7220012753352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7220012753352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10525536000000).

7220012753352 is an abundant number, since it is smaller than the sum of its proper divisors (13831059246648).

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

7220012753352 is a wasteful number, since it uses less digits than its factorization.

7220012753352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61368 (or 61350 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

Adding to 7220012753352 its reverse (2533572100227), we get a palindrome (9753584853579).

The spelling of 7220012753352 in words is "seven trillion, two hundred twenty billion, twelve million, seven hundred fifty-three thousand, three hundred fifty-two".