320032200212 has 6 divisors (see below), whose sum is σ = 560056350378. Its totient is φ = 160016100104.

The previous prime is 320032200107. The next prime is 320032200289. The reversal of 320032200212 is 212002230023.

It can be written as a sum of positive squares in only one way, i.e., 278703749776 + 41328450436 = 527924^2 + 203294^2 .

It is a super-3 number, since 3×320032200212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40004025023 + ... + 40004025030.

It is an arithmetic number, because the mean of its divisors is an integer number (93342725063).

Almost surely, 2^320032200212 is an apocalyptic number.

It is an amenable number.

320032200212 is a deficient number, since it is larger than the sum of its proper divisors (240024150166).

320032200212 is a wasteful number, since it uses less digits than its factorization.

320032200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80008050057 (or 80008050055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 320032200212 its reverse (212002230023), we get a palindrome (532034430235).

The spelling of 320032200212 in words is "three hundred twenty billion, thirty-two million, two hundred thousand, two hundred twelve".