12122010210220 has 48 divisors (see below), whose sum is σ = 26890708400640. Its totient is φ = 4577372012736.

The previous prime is 12122010210199. The next prime is 12122010210367. The reversal of 12122010210220 is 2201201022121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122010210194 and 12122010210203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56252932 + ... + 56468011.

It is an arithmetic number, because the mean of its divisors is an integer number (560223091680).

Almost surely, 2^{12122010210220} is an apocalyptic number.

12122010210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122010210220 is an abundant number, since it is smaller than the sum of its proper divisors (14768698190420).

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

12122010210220 is a wasteful number, since it uses less digits than its factorization.

12122010210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112721254 (or 112721252 counting only the distinct ones).

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

Adding to 12122010210220 its reverse (2201201022121), we get a palindrome (14323211232341).

The spelling of 12122010210220 in words is "twelve trillion, one hundred twenty-two billion, ten million, two hundred ten thousand, two hundred twenty".