12122110002220 has 24 divisors (see below), whose sum is σ = 26334238971600. Its totient is φ = 4681642483392.

The previous prime is 12122110002173. The next prime is 12122110002259. The reversal of 12122110002220 is 2220001122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122110002194 and 12122110002203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10450094250 + ... + 10450095409.

It is an arithmetic number, because the mean of its divisors is an integer number (1097259957150).

Almost surely, 2^{12122110002220} is an apocalyptic number.

12122110002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122110002220 is an abundant number, since it is smaller than the sum of its proper divisors (14212128969380).

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

12122110002220 is a wasteful number, since it uses less digits than its factorization.

12122110002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900189697 (or 20900189695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122110002220 its reverse (2220001122121), we get a palindrome (14342111124341).

The spelling of 12122110002220 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two thousand, two hundred twenty".