12221020202210 has 64 divisors (see below), whose sum is σ = 23687648570880. Its totient is φ = 4525045171200.

The previous prime is 12221020202177. The next prime is 12221020202291. The reversal of 12221020202210 is 1220202012221.

It is a happy number.

12221020202210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4228382 + ... + 6505478.

It is an arithmetic number, because the mean of its divisors is an integer number (370119508920).

Almost surely, 2^{12221020202210} is an apocalyptic number.

12221020202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221020202210 is a deficient number, since it is larger than the sum of its proper divisors (11466628368670).

12221020202210 is a wasteful number, since it uses less digits than its factorization.

12221020202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12221020202210 its reverse (1220202012221), we get a palindrome (13441222214431).

The spelling of 12221020202210 in words is "twelve trillion, two hundred twenty-one billion, twenty million, two hundred two thousand, two hundred ten".