2120010000210 has 24 divisors (see below), whose sum is σ = 5512026000780. Its totient is φ = 565336000032.

The previous prime is 2120010000187. The next prime is 2120010000211. The reversal of 2120010000210 is 120000100212.

It can be written as a sum of positive squares in 2 ways, for example, as 2068013687481 + 51996312729 = 1438059^2 + 228027^2 .

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 = 2120010000192 and 2120010000201.

It is not an unprimeable number, because it can be changed into a prime (2120010000211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11777833245 + ... + 11777833424.

Almost surely, 2^{2120010000210} is an apocalyptic number.

2120010000210 is an abundant number, since it is smaller than the sum of its proper divisors (3392016000570).

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

2120010000210 is a wasteful number, since it uses less digits than its factorization.

2120010000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23555666682 (or 23555666679 counting only the distinct ones).

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

Adding to 2120010000210 its reverse (120000100212), we get a palindrome (2240010100422).

The spelling of 2120010000210 in words is "two trillion, one hundred twenty billion, ten million, two hundred ten", and thus it is an aban number.