321202131112 has 16 divisors (see below), whose sum is σ = 615067911360. Its totient is φ = 157184021424.

The previous prime is 321202131097. The next prime is 321202131121. The reversal of 321202131112 is 211131202123.

It is a self number, because there is not a number n which added to its sum of digits gives 321202131112.

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, 427130118 + ... + 427130869.

It is an arithmetic number, because the mean of its divisors is an integer number (38441744460).

Almost surely, 2^321202131112 is an apocalyptic number.

It is an amenable number.

321202131112 is a deficient number, since it is larger than the sum of its proper divisors (293865780248).

321202131112 is a wasteful number, since it uses less digits than its factorization.

321202131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854261040 (or 854261036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 321202131112 its reverse (211131202123), we get a palindrome (532333333235).

The spelling of 321202131112 in words is "three hundred twenty-one billion, two hundred two million, one hundred thirty-one thousand, one hundred twelve".