321202013212 has 12 divisors (see below), whose sum is σ = 562171607536. Its totient is φ = 160581553920.

The previous prime is 321202013129. The next prime is 321202013243. The reversal of 321202013212 is 212310202123.

It is a self number, because there is not a number n which added to its sum of digits gives 321202013212.

It is a congruent number.

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, 4825989 + ... + 4892092.

Almost surely, 2^321202013212 is an apocalyptic number.

It is an amenable number.

321202013212 is a deficient number, since it is larger than the sum of its proper divisors (240969594324).

321202013212 is a wasteful number, since it uses less digits than its factorization.

321202013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726348 (or 9726346 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 321202013212 its reverse (212310202123), we get a palindrome (533512215335).

The spelling of 321202013212 in words is "three hundred twenty-one billion, two hundred two million, thirteen thousand, two hundred twelve".