12221311210 has 16 divisors (see below), whose sum is σ = 22326695136. Its totient is φ = 4815561168.

The previous prime is 12221311171. The next prime is 12221311231. The reversal of 12221311210 is 1211312221.

12221311210 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9119712 + ... + 9121051.

It is an arithmetic number, because the mean of its divisors is an integer number (1395418446).

Almost surely, 2^12221311210 is an apocalyptic number.

12221311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221311210 is a deficient number, since it is larger than the sum of its proper divisors (10105383926).

12221311210 is a wasteful number, since it uses less digits than its factorization.

12221311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240837.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12221311210 its reverse (1211312221), we get a palindrome (13432623431).

The spelling of 12221311210 in words is "twelve billion, two hundred twenty-one million, three hundred eleven thousand, two hundred ten".