1000222120120 has 64 divisors (see below), whose sum is σ = 2404304668800. Its totient is φ = 373374334080.

The previous prime is 1000222120103. The next prime is 1000222120133. The reversal of 1000222120120 is 210212220001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000222120120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770586 + ... + 9872425.

It is an arithmetic number, because the mean of its divisors is an integer number (37567260450).

Almost surely, 2^{1000222120120} is an apocalyptic number.

1000222120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000222120120 is an abundant number, since it is smaller than the sum of its proper divisors (1404082548680).

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

1000222120120 is a wasteful number, since it uses less digits than its factorization.

1000222120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643108 (or 19643104 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000222120120 its reverse (210212220001), we get a palindrome (1210434340121).

The spelling of 1000222120120 in words is "one trillion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty".