12210110222220 has 36 divisors (see below), whose sum is σ = 37037334341280. Its totient is φ = 3256029392544.

The previous prime is 12210110222183. The next prime is 12210110222239. The reversal of 12210110222220 is 2222201101221.

It is a happy number.

12210110222220 is a `hidden beast` number, since 1 + 2 + 210 + 1 + 10 + 222 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12210110222220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12210110222193 and 12210110222202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33916972660 + ... + 33916973019.

Almost surely, 2^{12210110222220} is an apocalyptic number.

12210110222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210110222220 is an abundant number, since it is smaller than the sum of its proper divisors (24827224119060).

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

12210110222220 is a wasteful number, since it uses less digits than its factorization.

12210110222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67833945694 (or 67833945689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12210110222220 its reverse (2222201101221), we get a palindrome (14432311323441).

The spelling of 12210110222220 in words is "twelve trillion, two hundred ten billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".