1220211210200 has 96 divisors (see below), whose sum is σ = 2845853568000. Its totient is φ = 486561936000.

The previous prime is 1220211210181. The next prime is 1220211210247. The reversal of 1220211210200 is 20121120221.

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 23 ways as a sum of consecutive naturals, for example, 100679741 + ... + 100691859.

It is an arithmetic number, because the mean of its divisors is an integer number (29644308000).

Almost surely, 2^{1220211210200} is an apocalyptic number.

1220211210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220211210200 is an abundant number, since it is smaller than the sum of its proper divisors (1625642357800).

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

1220211210200 is a wasteful number, since it uses less digits than its factorization.

1220211210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220211210200 its reverse (20121120221), we get a palindrome (1240332330421).

The spelling of 1220211210200 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two hundred ten thousand, two hundred".