12221011210 has 16 divisors (see below), whose sum is σ = 22004338176. Its totient is φ = 4886956048.

The previous prime is 12221011193. The next prime is 12221011213. The reversal of 12221011210 is 1211012221.

12221011210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12221011210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12221011213) by changing a digit.

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, 145282 + ... + 213421.

It is an arithmetic number, because the mean of its divisors is an integer number (1375271136).

Almost surely, 2^12221011210 is an apocalyptic number.

12221011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221011210 is a deficient number, since it is larger than the sum of its proper divisors (9783326966).

12221011210 is a wasteful number, since it uses less digits than its factorization.

12221011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362117.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12221011210 its reverse (1211012221), we get a palindrome (13432023431).

The spelling of 12221011210 in words is "twelve billion, two hundred twenty-one million, eleven thousand, two hundred ten".