320231212120 has 16 divisors (see below), whose sum is σ = 720520227360. Its totient is φ = 128092484832.

The previous prime is 320231212087. The next prime is 320231212153. The reversal of 320231212120 is 21212132023.

It is an interprime number because it is at equal distance from previous prime (320231212087) and next prime (320231212153).

It is a congruent number.

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, 4002890112 + ... + 4002890191.

It is an arithmetic number, because the mean of its divisors is an integer number (45032514210).

Almost surely, 2^320231212120 is an apocalyptic number.

It is an amenable number.

320231212120 is an abundant number, since it is smaller than the sum of its proper divisors (400289015240).

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

320231212120 is a wasteful number, since it uses less digits than its factorization.

320231212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8005780314 (or 8005780310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320231212120 its reverse (21212132023), we get a palindrome (341443344143).

The spelling of 320231212120 in words is "three hundred twenty billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty".