2120210012 has 48 divisors (see below), whose sum is σ = 4137376320. Its totient is φ = 945533952.

The previous prime is 2120210003. The next prime is 2120210051. The reversal of 2120210012 is 2100120212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120209975 and 2120210002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164258 + ... + 176694.

It is an arithmetic number, because the mean of its divisors is an integer number (86195340).

Almost surely, 2^2120210012 is an apocalyptic number.

It is an amenable number.

2120210012 is a deficient number, since it is larger than the sum of its proper divisors (2017166308).

2120210012 is a wasteful number, since it uses less digits than its factorization.

2120210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590 (or 12588 counting only the distinct ones).

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

The square root of 2120210012 is about 46045.7382609944. The cubic root of 2120210012 is about 1284.6740758187.

Adding to 2120210012 its reverse (2100120212), we get a palindrome (4220330224).

The spelling of 2120210012 in words is "two billion, one hundred twenty million, two hundred ten thousand, twelve".