12221020112210 has 64 divisors (see below), whose sum is σ = 27076659305472. Its totient is φ = 3867408654336.

The previous prime is 12221020112209. The next prime is 12221020112237. The reversal of 12221020112210 is 1221102012221.

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 31 ways as a sum of consecutive naturals, for example, 9778247 + ... + 10957013.

It is an arithmetic number, because the mean of its divisors is an integer number (423072801648).

Almost surely, 2^{12221020112210} is an apocalyptic number.

12221020112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221020112210 is an abundant number, since it is smaller than the sum of its proper divisors (14855639193262).

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

12221020112210 is a wasteful number, since it uses less digits than its factorization.

12221020112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190187.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221020112210 its reverse (1221102012221), we get a palindrome (13442122124431).

The spelling of 12221020112210 in words is "twelve trillion, two hundred twenty-one billion, twenty million, one hundred twelve thousand, two hundred ten".