1210221010200 has 48 divisors (see below), whose sum is σ = 3751685133480. Its totient is φ = 322725602560.

The previous prime is 1210221010181. The next prime is 1210221010279. The reversal of 1210221010200 is 20101220121.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 11 ways as a sum of consecutive naturals, for example, 1008516909 + ... + 1008518108.

Almost surely, 2^{1210221010200} is an apocalyptic number.

1210221010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210221010200 is an abundant number, since it is smaller than the sum of its proper divisors (2541464123280).

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

1210221010200 is a wasteful number, since it uses less digits than its factorization.

1210221010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017035036 (or 2017035027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210221010200 its reverse (20101220121), we get a palindrome (1230322230321).

The spelling of 1210221010200 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, ten thousand, two hundred".