2100120310200 has 144 divisors (see below), whose sum is σ = 7156030031640. Its totient is φ = 509120057600.

The previous prime is 2100120310193. The next prime is 2100120310243. The reversal of 2100120310200 is 20130210012.

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 (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14391039 + ... + 14536238.

Almost surely, 2^{2100120310200} is an apocalyptic number.

2100120310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100120310200 is an abundant number, since it is smaller than the sum of its proper divisors (5055909721440).

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

2100120310200 is a wasteful number, since it uses less digits than its factorization.

2100120310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28927318 (or 28927298 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2100120310200 its reverse (20130210012), we get a palindrome (2120250520212).

It can be divided in two parts, 21001203 and 10200, that added together give a triangular number (21011403 = T₆₄₈₂).

The spelling of 2100120310200 in words is "two trillion, one hundred billion, one hundred twenty million, three hundred ten thousand, two hundred".