321002313203012 has 36 divisors (see below), whose sum is σ = 671130318931884. Its totient is φ = 133854246429120.

The previous prime is 321002313202973. The next prime is 321002313203023. The reversal of 321002313203012 is 210302313200123.

It can be written as a sum of positive squares in 2 ways, for example, as 288425889407236 + 32576423795776 = 16983106^2 + 5707576^2 .

It is a super-2 number, since 2×321002313203012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22131977939 + ... + 22131992442.

It is an arithmetic number, because the mean of its divisors is an integer number (18642508859219).

Almost surely, 2^{321002313203012} is an apocalyptic number.

It is an amenable number.

321002313203012 is an abundant number, since it is smaller than the sum of its proper divisors (350128005728872).

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

321002313203012 is a wasteful number, since it uses less digits than its factorization.

321002313203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44263970436 (or 44263970427 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321002313203012 its reverse (210302313200123), we get a palindrome (531304626403135).

The spelling of 321002313203012 in words is "three hundred twenty-one trillion, two billion, three hundred thirteen million, two hundred three thousand, twelve".