321321103202012 has 24 divisors (see below), whose sum is σ = 564736943180592. Its totient is φ = 159967719331200.

The previous prime is 321321103201997. The next prime is 321321103202017. The reversal of 321321103202012 is 210202301123123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321321103202017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41930087 + ... + 48997697.

It is an arithmetic number, because the mean of its divisors is an integer number (23530705965858).

Almost surely, 2^{321321103202012} is an apocalyptic number.

It is an amenable number.

321321103202012 is a deficient number, since it is larger than the sum of its proper divisors (243415839978580).

321321103202012 is a wasteful number, since it uses less digits than its factorization.

321321103202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116629 (or 7116627 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 321321103202012 its reverse (210202301123123), we get a palindrome (531523404325135).

The spelling of 321321103202012 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, one hundred three million, two hundred two thousand, twelve".