12211032102220 has 144 divisors (see below), whose sum is σ = 29927916389952. Its totient is φ = 4172886305280.

The previous prime is 12211032102197. The next prime is 12211032102229. The reversal of 12211032102220 is 2220123011221.

It is not an unprimeable number, because it can be changed into a prime (12211032102229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537280497 + ... + 537303223.

It is an arithmetic number, because the mean of its divisors is an integer number (207832752708).

Almost surely, 2^{12211032102220} is an apocalyptic number.

12211032102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211032102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14963958194976).

12211032102220 is an abundant number, since it is smaller than the sum of its proper divisors (17716884287732).

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

12211032102220 is a wasteful number, since it uses less digits than its factorization.

12211032102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528 (or 24519 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12211032102220 its reverse (2220123011221), we get a palindrome (14431155113441).

Subtracting from 12211032102220 its reverse (2220123011221), we obtain a palindrome (9990909090999).

The spelling of 12211032102220 in words is "twelve trillion, two hundred eleven billion, thirty-two million, one hundred two thousand, two hundred twenty".