1222202200120 has 64 divisors (see below), whose sum is σ = 3008853151200. Its totient is φ = 443118305280.

The previous prime is 1222202200099. The next prime is 1222202200129. The reversal of 1222202200120 is 210022022221.

It is a junction number, because it is equal to n+sod(n) for n = 1222202200094 and 1222202200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972985 + ... + 4269544.

Almost surely, 2^{1222202200120} is an apocalyptic number.

1222202200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222202200120 is an abundant number, since it is smaller than the sum of its proper divisors (1786650951080).

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

1222202200120 is a wasteful number, since it uses less digits than its factorization.

1222202200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242888 (or 8242884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222202200120 its reverse (210022022221), we get a palindrome (1432224222341).

The spelling of 1222202200120 in words is "one trillion, two hundred twenty-two billion, two hundred two million, two hundred thousand, one hundred twenty".