12221031212110 has 32 divisors (see below), whose sum is σ = 25142877876672. Its totient is φ = 4189656042240.

The previous prime is 12221031212069. The next prime is 12221031212261. The reversal of 12221031212110 is 1121213012221.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7861447 + ... + 9286786.

It is an arithmetic number, because the mean of its divisors is an integer number (785714933646).

Almost surely, 2^{12221031212110} is an apocalyptic number.

12221031212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221031212110 is an abundant number, since it is smaller than the sum of its proper divisors (12921846664562).

12221031212110 is a wasteful number, since it uses less digits than its factorization.

12221031212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158428.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12221031212110 its reverse (1121213012221), we get a palindrome (13342244224331).

The spelling of 12221031212110 in words is "twelve trillion, two hundred twenty-one billion, thirty-one million, two hundred twelve thousand, one hundred ten".