222212120120 has 32 divisors (see below), whose sum is σ = 500547448800. Its totient is φ = 88783483008.

The previous prime is 222212120093. The next prime is 222212120131. The reversal of 222212120120 is 21021212222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3132140 + ... + 3202299.

It is an arithmetic number, because the mean of its divisors is an integer number (15642107775).

Almost surely, 2^222212120120 is an apocalyptic number.

222212120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212120120 is an abundant number, since it is smaller than the sum of its proper divisors (278335328680).

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

222212120120 is a wasteful number, since it uses less digits than its factorization.

222212120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335327 (or 6335323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222212120120 its reverse (21021212222), we get a palindrome (243233332342).

The spelling of 222212120120 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".