3120320212 has 12 divisors (see below), whose sum is σ = 5537470176. Its totient is φ = 1538185880.

The previous prime is 3120320191. The next prime is 3120320237. The reversal of 3120320212 is 2120230213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493238 + ... + 5493805.

It is an arithmetic number, because the mean of its divisors is an integer number (461455848).

Almost surely, 2^3120320212 is an apocalyptic number.

It is an amenable number.

3120320212 is a deficient number, since it is larger than the sum of its proper divisors (2417149964).

3120320212 is a wasteful number, since it uses less digits than its factorization.

3120320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987118 (or 10987116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3120320212 is about 55859.8264587351. The cubic root of 3120320212 is about 1461.2787027359.

Adding to 3120320212 its reverse (2120230213), we get a palindrome (5240550425).

It can be divided in two parts, 31203 and 20212, that added together give a palindrome (51415).

The spelling of 3120320212 in words is "three billion, one hundred twenty million, three hundred twenty thousand, two hundred twelve".