7215220672210 has 16 divisors (see below), whose sum is σ = 13080831724800. Its totient is φ = 2865325043376.

The previous prime is 7215220672201. The next prime is 7215220672211. The reversal of 7215220672210 is 122760225127.

It is a self number, because there is not a number n which added to its sum of digits gives 7215220672210.

It is not an unprimeable number, because it can be changed into a prime (7215220672211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595401730 + ... + 2595404509.

It is an arithmetic number, because the mean of its divisors is an integer number (817551982800).

Almost surely, 2^{7215220672210} is an apocalyptic number.

7215220672210 is a deficient number, since it is larger than the sum of its proper divisors (5865611052590).

7215220672210 is a wasteful number, since it uses less digits than its factorization.

7215220672210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190806385.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 7215220672210 its reverse (122760225127), we get a palindrome (7337980897337).

The spelling of 7215220672210 in words is "seven trillion, two hundred fifteen billion, two hundred twenty million, six hundred seventy-two thousand, two hundred ten".