1200100200210 has 96 divisors (see below), whose sum is σ = 3185761662720. Its totient is φ = 313371742464.

The previous prime is 1200100200127. The next prime is 1200100200223. The reversal of 1200100200210 is 120020010021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1200100200192 and 1200100200201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256167 + ... + 1570293.

It is an arithmetic number, because the mean of its divisors is an integer number (33185017320).

Almost surely, 2^{1200100200210} is an apocalyptic number.

1200100200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200100200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592880831360).

1200100200210 is an abundant number, since it is smaller than the sum of its proper divisors (1985661462510).

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

1200100200210 is a wasteful number, since it uses less digits than its factorization.

1200100200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314352 (or 1314349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200100200210 its reverse (120020010021), we get a palindrome (1320120210231).

The spelling of 1200100200210 in words is "one trillion, two hundred billion, one hundred million, two hundred thousand, two hundred ten".