321013003012 has 24 divisors (see below), whose sum is σ = 606465267800. Its totient is φ = 147797588736.

The previous prime is 321013002997. The next prime is 321013003019. The reversal of 321013003012 is 210300310123.

It can be written as a sum of positive squares in 4 ways, for example, as 174242795776 + 146770207236 = 417424^2 + 383106^2 .

It is not an unprimeable number, because it can be changed into a prime (321013003019) 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, 7525587 + ... + 7568122.

Almost surely, 2^321013003012 is an apocalyptic number.

It is an amenable number.

321013003012 is a deficient number, since it is larger than the sum of its proper divisors (285452264788).

321013003012 is a wasteful number, since it uses less digits than its factorization.

321013003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094135 (or 15094133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 321013003012 its reverse (210300310123), we get a palindrome (531313313135).

The spelling of 321013003012 in words is "three hundred twenty-one billion, thirteen million, three thousand, twelve".