120221211222 has 48 divisors (see below), whose sum is σ = 300638081952. Its totient is φ = 34008825600.

The previous prime is 120221211221. The next prime is 120221211233. The reversal of 120221211222 is 222112122021.

It is a happy number.

120221211222 is a `hidden beast` number, since 12 + 0 + 221 + 211 + 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 = 120221211195 and 120221211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221211221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4710723 + ... + 4736174.

It is an arithmetic number, because the mean of its divisors is an integer number (6263293374).

Almost surely, 2^120221211222 is an apocalyptic number.

120221211222 is an abundant number, since it is smaller than the sum of its proper divisors (180416870730).

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

120221211222 is a wasteful number, since it uses less digits than its factorization.

120221211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447013 (or 9447010 counting only the distinct ones).

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

Adding to 120221211222 its reverse (222112122021), we get a palindrome (342333333243).

The spelling of 120221211222 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-two".