120212211222 has 48 divisors (see below), whose sum is σ = 261178819200. Its totient is φ = 39960262656.

The previous prime is 120212211211. The next prime is 120212211289. The reversal of 120212211222 is 222112212021.

It is a happy number.

120212211222 is a `hidden beast` number, since 1 + 20 + 212 + 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 = 120212211195 and 120212211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11554779 + ... + 11565177.

It is an arithmetic number, because the mean of its divisors is an integer number (5441225400).

Almost surely, 2^120212211222 is an apocalyptic number.

120212211222 is an abundant number, since it is smaller than the sum of its proper divisors (140966607978).

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

120212211222 is a wasteful number, since it uses less digits than its factorization.

120212211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117 (or 12114 counting only the distinct ones).

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

Adding to 120212211222 its reverse (222112212021), we get a palindrome (342324423243).

The spelling of 120212211222 in words is "one hundred twenty billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".