2120210212 has 12 divisors (see below), whose sum is σ = 3711009456. Its totient is φ = 1059921800.

The previous prime is 2120210203. The next prime is 2120210221. The reversal of 2120210212 is 2120120212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120210203) and next prime (2120210221).

It is a junction number, because it is equal to n+sod(n) for n = 2120210192 and 2120210201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17914 + ... + 67537.

It is an arithmetic number, because the mean of its divisors is an integer number (309250788).

Almost surely, 2^2120210212 is an apocalyptic number.

It is an amenable number.

2120210212 is a deficient number, since it is larger than the sum of its proper divisors (1590799244).

2120210212 is a wasteful number, since it uses less digits than its factorization.

2120210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91658 (or 91656 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120210212 is about 46045.7404327480. The cubic root of 2120210212 is about 1284.6741162133.

Adding to 2120210212 its reverse (2120120212), we get a palindrome (4240330424).

Subtracting from 2120210212 its reverse (2120120212), we obtain a square (90000 = 300²).

The spelling of 2120210212 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".