323212230133021 has 16 divisors (see below), whose sum is σ = 327944892240000. Its totient is φ = 318484596830400.

The previous prime is 323212230132887. The next prime is 323212230133061. The reversal of 323212230133021 is 120331032212323.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 323212230133021 - 2³³ = 323203640198429 is a prime.

It is a super-2 number, since 2×323212230133021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212230133061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2989026126 + ... + 2989134256.

It is an arithmetic number, because the mean of its divisors is an integer number (20496555765000).

Almost surely, 2^{323212230133021} is an apocalyptic number.

It is an amenable number.

323212230133021 is a deficient number, since it is larger than the sum of its proper divisors (4732662106979).

323212230133021 is a wasteful number, since it uses less digits than its factorization.

323212230133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130980.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323212230133021 its reverse (120331032212323), we get a palindrome (443543262345344).

The spelling of 323212230133021 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, one hundred thirty-three thousand, twenty-one".