323121012 has 24 divisors (see below), whose sum is σ = 754418112. Its totient is φ = 107640000.

The previous prime is 323120983. The next prime is 323121031. The reversal of 323121012 is 210121323.

It is a junction number, because it is equal to n+sod(n) for n = 323120982 and 323121000.

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, 14137 + ... + 29087.

It is an arithmetic number, because the mean of its divisors is an integer number (31434088).

Almost surely, 2^323121012 is an apocalyptic number.

It is an amenable number.

323121012 is an abundant number, since it is smaller than the sum of its proper divisors (431297100).

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

323121012 is a wasteful number, since it uses less digits than its factorization.

323121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759 (or 16757 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 323121012 is about 17975.5670842397. The cubic root of 323121012 is about 686.2068780240.

Adding to 323121012 its reverse (210121323), we get a palindrome (533242335).

The spelling of 323121012 in words is "three hundred twenty-three million, one hundred twenty-one thousand, twelve".