320221212232112 has 40 divisors (see below), whose sum is σ = 621001466331120. Its totient is φ = 159962805954560.

The previous prime is 320221212232109. The next prime is 320221212232139. The reversal of 320221212232112 is 211232212122023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139163912 + ... + 141446232.

It is an arithmetic number, because the mean of its divisors is an integer number (15525036658278).

Almost surely, 2^{320221212232112} is an apocalyptic number.

It is an amenable number.

320221212232112 is a deficient number, since it is larger than the sum of its proper divisors (300780254099008).

320221212232112 is a wasteful number, since it uses less digits than its factorization.

320221212232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290421 (or 2290415 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 320221212232112 its reverse (211232212122023), we get a palindrome (531453424354135).

The spelling of 320221212232112 in words is "three hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, two hundred thirty-two thousand, one hundred twelve".