1222120002200 has 48 divisors (see below), whose sum is σ = 2907508769880. Its totient is φ = 477479439360.

The previous prime is 1222120002199. The next prime is 1222120002227. The reversal of 1222120002200 is 22000212221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71044889 + ... + 71062088.

Almost surely, 2^{1222120002200} is an apocalyptic number.

1222120002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222120002200 is an abundant number, since it is smaller than the sum of its proper divisors (1685388767680).

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

1222120002200 is a wasteful number, since it uses less digits than its factorization.

1222120002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142107036 (or 142107027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222120002200 its reverse (22000212221), we get a palindrome (1244120214421).

The spelling of 1222120002200 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two thousand, two hundred".