1222200010120 has 16 divisors (see below), whose sum is σ = 2749950022860. Its totient is φ = 488880004032.

The previous prime is 1222200010093. The next prime is 1222200010169. The reversal of 1222200010120 is 210100022221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1221630615076 + 569395044 = 1105274^2 + 23862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1222200010120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15277500087 + ... + 15277500166.

Almost surely, 2^{1222200010120} is an apocalyptic number.

1222200010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222200010120 is an abundant number, since it is smaller than the sum of its proper divisors (1527750012740).

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

1222200010120 is a wasteful number, since it uses less digits than its factorization.

1222200010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555000264 (or 30555000260 counting only the distinct ones).

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

Adding to 1222200010120 its reverse (210100022221), we get a palindrome (1432300032341).

The spelling of 1222200010120 in words is "one trillion, two hundred twenty-two billion, two hundred million, ten thousand, one hundred twenty".