320033131212 has 24 divisors (see below), whose sum is σ = 750653632512. Its totient is φ = 106119187600.

The previous prime is 320033131189. The next prime is 320033131267. The reversal of 320033131212 is 212131330023.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69812964 + ... + 69817547.

It is an arithmetic number, because the mean of its divisors is an integer number (31277234688).

Almost surely, 2^320033131212 is an apocalyptic number.

It is an amenable number.

320033131212 is an abundant number, since it is smaller than the sum of its proper divisors (430620501300).

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

320033131212 is a wasteful number, since it uses less digits than its factorization.

320033131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139630709 (or 139630707 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320033131212 its reverse (212131330023), we get a palindrome (532164461235).

The spelling of 320033131212 in words is "three hundred twenty billion, thirty-three million, one hundred thirty-one thousand, two hundred twelve".