2120320212 has 24 divisors (see below), whose sum is σ = 5052679296. Its totient is φ = 691735488.

The previous prime is 2120320177. The next prime is 2120320217. The reversal of 2120320212 is 2120230212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120320191 and 2120320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120320217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879153 + ... + 1880280.

It is an arithmetic number, because the mean of its divisors is an integer number (210528304).

Almost surely, 2^2120320212 is an apocalyptic number.

It is an amenable number.

2120320212 is an abundant number, since it is smaller than the sum of its proper divisors (2932359084).

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

2120320212 is a wasteful number, since it uses less digits than its factorization.

2120320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759487 (or 3759485 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120320212 is about 46046.9348817052. The cubic root of 2120320212 is about 1284.6963328325.

Adding to 2120320212 its reverse (2120230212), we get a palindrome (4240550424).

Subtracting from 2120320212 its reverse (2120230212), we obtain a square (90000 = 300²).

The spelling of 2120320212 in words is "two billion, one hundred twenty million, three hundred twenty thousand, two hundred twelve".