323212230122021 has 4 divisors (see below), whose sum is σ = 330089086082112. Its totient is φ = 316335374161932.

The previous prime is 323212230122011. The next prime is 323212230122039. The reversal of 323212230122021 is 120221032212323.

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-323212230122021 is a prime.

It is a super-2 number, since 2×323212230122021² (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 (323212230122011) 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, 3438427979975 + ... + 3438427980068.

It is an arithmetic number, because the mean of its divisors is an integer number (82522271520528).

Almost surely, 2^{323212230122021} is an apocalyptic number.

It is an amenable number.

323212230122021 is a deficient number, since it is larger than the sum of its proper divisors (6876855960091).

323212230122021 is an equidigital number, since it uses as much as digits as its factorization.

323212230122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876855960090.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 323212230122021 its reverse (120221032212323), we get a palindrome (443433262334344).

The spelling of 323212230122021 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, one hundred twenty-two thousand, twenty-one".