12211202122210 has 32 divisors (see below), whose sum is σ = 27052509318912. Its totient is φ = 3864644187840.

The previous prime is 12211202122199. The next prime is 12211202122219. The reversal of 12211202122210 is 1222120211221.

It is a super-2 number, since 2×12211202122210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211202122219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709450806 + ... + 6709452625.

It is an arithmetic number, because the mean of its divisors is an integer number (845390916216).

Almost surely, 2^{12211202122210} is an apocalyptic number.

12211202122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211202122210 is an abundant number, since it is smaller than the sum of its proper divisors (14841307196702).

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

12211202122210 is a wasteful number, since it uses less digits than its factorization.

12211202122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13418903458.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12211202122210 its reverse (1222120211221), we get a palindrome (13433322333431).

The spelling of 12211202122210 in words is "twelve trillion, two hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred ten".