12212012010220 has 96 divisors (see below), whose sum is σ = 29737556412480. Its totient is φ = 4163249111040.

The previous prime is 12212012010179. The next prime is 12212012010223. The reversal of 12212012010220 is 2201021021221.

It is a happy number.

12212012010220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12212012010194 and 12212012010203.

It is not an unprimeable number, because it can be changed into a prime (12212012010223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5391435 + ... + 7313794.

It is an arithmetic number, because the mean of its divisors is an integer number (309766212630).

Almost surely, 2^{12212012010220} is an apocalyptic number.

12212012010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212012010220 is an abundant number, since it is smaller than the sum of its proper divisors (17525544402260).

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

12212012010220 is a wasteful number, since it uses less digits than its factorization.

12212012010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12705523 (or 12705521 counting only the distinct ones).

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

Adding to 12212012010220 its reverse (2201021021221), we get a palindrome (14413033031441).

The spelling of 12212012010220 in words is "twelve trillion, two hundred twelve billion, twelve million, ten thousand, two hundred twenty".