2120311213 has 12 divisors (see below), whose sum is σ = 2370924160. Its totient is φ = 1890551232.

The previous prime is 2120311183. The next prime is 2120311241. The reversal of 2120311213 is 3121130212.

It is not a de Polignac number, because 2120311213 - 2²⁹ = 1583440301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120311013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187581 + ... + 198562.

Almost surely, 2^2120311213 is an apocalyptic number.

It is an amenable number.

2120311213 is a deficient number, since it is larger than the sum of its proper divisors (250612947).

2120311213 is a wasteful number, since it uses less digits than its factorization.

2120311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386196 (or 386179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2120311213 is about 46046.8371660856. The cubic root of 2120311213 is about 1284.6945153399.

Adding to 2120311213 its reverse (3121130212), we get a palindrome (5241441425).

The spelling of 2120311213 in words is "two billion, one hundred twenty million, three hundred eleven thousand, two hundred thirteen".