1210202110200 has 96 divisors (see below), whose sum is σ = 3759330994560. Its totient is φ = 322057814400.

The previous prime is 1210202110189. The next prime is 1210202110301. The reversal of 1210202110200 is 20112020121.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1778646 + ... + 2363045.

It is an arithmetic number, because the mean of its divisors is an integer number (39159697860).

Almost surely, 2^{1210202110200} is an apocalyptic number.

1210202110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210202110200 is an abundant number, since it is smaller than the sum of its proper divisors (2549128884360).

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

1210202110200 is a wasteful number, since it uses less digits than its factorization.

1210202110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142197 (or 4142188 counting only the distinct ones).

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

Adding to 1210202110200 its reverse (20112020121), we get a palindrome (1230314130321).

The spelling of 1210202110200 in words is "one trillion, two hundred ten billion, two hundred two million, one hundred ten thousand, two hundred".