12210020002220 has 48 divisors (see below), whose sum is σ = 26532147106080. Its totient is φ = 4716826093056.

The previous prime is 12210020002211. The next prime is 12210020002247. The reversal of 12210020002220 is 2220002001221.

It is a super-2 number, since 2×12210020002220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210020002195 and 12210020002204.

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, 79685807 + ... + 79838886.

It is an arithmetic number, because the mean of its divisors is an integer number (552753064710).

Almost surely, 2^{12210020002220} is an apocalyptic number.

12210020002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210020002220 is an abundant number, since it is smaller than the sum of its proper divisors (14322127103860).

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

12210020002220 is a wasteful number, since it uses less digits than its factorization.

12210020002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159524834 (or 159524832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12210020002220 its reverse (2220002001221), we get a palindrome (14430022003441).

The spelling of 12210020002220 in words is "twelve trillion, two hundred ten billion, twenty million, two thousand, two hundred twenty".