323210021212 has 24 divisors (see below), whose sum is σ = 641185874000. Its totient is φ = 141322599936.

The previous prime is 323210021153. The next prime is 323210021221. The reversal of 323210021212 is 212120012323.

It is a super-2 number, since 2×323210021212² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 323210021212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163566837 + ... + 163568812.

Almost surely, 2^323210021212 is an apocalyptic number.

It is an amenable number.

323210021212 is a deficient number, since it is larger than the sum of its proper divisors (317975852788).

323210021212 is a wasteful number, since it uses less digits than its factorization.

323210021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327135685 (or 327135683 counting only the distinct ones).

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

Adding to 323210021212 its reverse (212120012323), we get a palindrome (535330033535).

The spelling of 323210021212 in words is "three hundred twenty-three billion, two hundred ten million, twenty-one thousand, two hundred twelve".