2012000021210 has 16 divisors (see below), whose sum is σ = 3621616205256. Its totient is φ = 804796415808.

The previous prime is 2012000021201. The next prime is 2012000021231. The reversal of 2012000021210 is 121200002102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1583563009609 + 428437011601 = 1258397^2 + 654551^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2012000021191 and 2012000021200.

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 7 ways as a sum of consecutive naturals, for example, 4036904 + ... + 4507836.

Almost surely, 2^{2012000021210} is an apocalyptic number.

2012000021210 is a deficient number, since it is larger than the sum of its proper divisors (1609616184046).

2012000021210 is a wasteful number, since it uses less digits than its factorization.

2012000021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898177.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012000021210 its reverse (121200002102), we get a palindrome (2133200023312).

The spelling of 2012000021210 in words is "two trillion, twelve billion, twenty-one thousand, two hundred ten".