323212021128252 has 18 divisors (see below), whose sum is σ = 817008164518728. Its totient is φ = 107737340376072.

The previous prime is 323212021128251. The next prime is 323212021128253. The reversal of 323212021128252 is 252821120212323.

323212021128252 is a `hidden beast` number, since 3 + 2 + 321 + 2 + 0 + 2 + 1 + 1 + 282 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (323212021128251) and next prime (323212021128253).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8978111698007 = 323212021128252 / (3 + 2 + 3 + 2 + 1 + 2 + 0 + 2 + 1 + 1 + 2 + 8 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212021128251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4489055848968 + ... + 4489055849039.

Almost surely, 2^{323212021128252} is an apocalyptic number.

It is an amenable number.

323212021128252 is an abundant number, since it is smaller than the sum of its proper divisors (493796143390476).

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

323212021128252 is a wasteful number, since it uses less digits than its factorization.

323212021128252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978111698017 (or 8978111698012 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 323212021128252 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred twenty-eight thousand, two hundred fifty-two".