323212021132109 has 4 divisors (see below), whose sum is σ = 323297549588160. Its totient is φ = 323126492676060.

The previous prime is 323212021132079. The next prime is 323212021132129. The reversal of 323212021132109 is 901231120212323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212021132109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212021132129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42764222357 + ... + 42764229914.

It is an arithmetic number, because the mean of its divisors is an integer number (80824387397040).

Almost surely, 2^{323212021132109} is an apocalyptic number.

It is an amenable number.

323212021132109 is a deficient number, since it is larger than the sum of its proper divisors (85528456051).

323212021132109 is an equidigital number, since it uses as much as digits as its factorization.

323212021132109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85528456050.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 323212021132109 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred thirty-two thousand, one hundred nine".