12220120011222 has 24 divisors (see below), whose sum is σ = 26490305710440. Its totient is φ = 4071315026400.

The previous prime is 12220120011221. The next prime is 12220120011301. The reversal of 12220120011222 is 22211002102221.

It is a happy number.

12220120011222 is a `hidden beast` number, since 12 + 220 + 1 + 200 + 11 + 222 = 666.

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 = 12220120011195 and 12220120011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220120011221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171489279 + ... + 171560522.

It is an arithmetic number, because the mean of its divisors is an integer number (1103762737935).

Almost surely, 2^{12220120011222} is an apocalyptic number.

12220120011222 is an abundant number, since it is smaller than the sum of its proper divisors (14270185699218).

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

12220120011222 is a wasteful number, since it uses less digits than its factorization.

12220120011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343051788 (or 343051785 counting only the distinct ones).

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

Adding to 12220120011222 its reverse (22211002102221), we get a palindrome (34431122113443).

The spelling of 12220120011222 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, eleven thousand, two hundred twenty-two".