2012210022220 has 12 divisors (see below), whose sum is σ = 4225641046704. Its totient is φ = 804884008880.

The previous prime is 2012210022209. The next prime is 2012210022253. The reversal of 2012210022220 is 222200122102.

It is a super-2 number, since 2×2012210022220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012210022194 and 2012210022203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50305250536 + ... + 50305250575.

It is an arithmetic number, because the mean of its divisors is an integer number (352136753892).

Almost surely, 2^{2012210022220} is an apocalyptic number.

2012210022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012210022220 is an abundant number, since it is smaller than the sum of its proper divisors (2213431024484).

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

2012210022220 is a wasteful number, since it uses less digits than its factorization.

2012210022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610501120 (or 100610501118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2012210022220 its reverse (222200122102), we get a palindrome (2234410144322).

The spelling of 2012210022220 in words is "two trillion, twelve billion, two hundred ten million, twenty-two thousand, two hundred twenty".