320212412 has 36 divisors (see below), whose sum is σ = 611006256. Its totient is φ = 146764800.

The previous prime is 320212381. The next prime is 320212469. The reversal of 320212412 is 214212023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100508 + ... + 103644.

It is an arithmetic number, because the mean of its divisors is an integer number (16972396).

Almost surely, 2^320212412 is an apocalyptic number.

It is an amenable number.

320212412 is a deficient number, since it is larger than the sum of its proper divisors (290793844).

320212412 is a wasteful number, since it uses less digits than its factorization.

320212412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320212412 is about 17894.4799309731. The cubic root of 320212412 is about 684.1416866180.

Adding to 320212412 its reverse (214212023), we get a palindrome (534424435).

The spelling of 320212412 in words is "three hundred twenty million, two hundred twelve thousand, four hundred twelve".