2120332012200 has 144 divisors (see below), whose sum is σ = 7313235462780. Its totient is φ = 550140180480.

The previous prime is 2120332012189. The next prime is 2120332012229. The reversal of 2120332012200 is 22102330212.

2120332012200 is a `hidden beast` number, since 2 + 120 + 3 + 320 + 1 + 220 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 720525950244 + 1399806061956 = 848838^2 + 1183134^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 15851809 + ... + 15985008.

Almost surely, 2^{2120332012200} is an apocalyptic number.

2120332012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120332012200 is an abundant number, since it is smaller than the sum of its proper divisors (5192903450580).

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

2120332012200 is a wasteful number, since it uses less digits than its factorization.

2120332012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31836876 (or 31836864 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2120332012200 its reverse (22102330212), we get a palindrome (2142434342412).

The spelling of 2120332012200 in words is "two trillion, one hundred twenty billion, three hundred thirty-two million, twelve thousand, two hundred".