12102210202220 has 96 divisors (see below), whose sum is σ = 26665598131200. Its totient is φ = 4607384544000.

The previous prime is 12102210202217. The next prime is 12102210202237. The reversal of 12102210202220 is 2220201220121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302694191 + ... + 302734169.

It is an arithmetic number, because the mean of its divisors is an integer number (277766647200).

Almost surely, 2^{12102210202220} is an apocalyptic number.

12102210202220 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 12102210202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13332799065600).

12102210202220 is an abundant number, since it is smaller than the sum of its proper divisors (14563387928980).

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

12102210202220 is a wasteful number, since it uses less digits than its factorization.

12102210202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47439 (or 47437 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12102210202220 its reverse (2220201220121), we get a palindrome (14322411422341).

The spelling of 12102210202220 in words is "twelve trillion, one hundred two billion, two hundred ten million, two hundred two thousand, two hundred twenty".