323211323211220 has 24 divisors (see below), whose sum is σ = 678760526733408. Its totient is φ = 129281339191200.

The previous prime is 323211323211131. The next prime is 323211323211253. The reversal of 323211323211220 is 22112323112323.

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, 198549946 + ... + 200171185.

It is an arithmetic number, because the mean of its divisors is an integer number (28281688613892).

Almost surely, 2^{323211323211220} is an apocalyptic number.

It is an amenable number.

323211323211220 is an abundant number, since it is smaller than the sum of its proper divisors (355549203522188).

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

323211323211220 is a wasteful number, since it uses less digits than its factorization.

323211323211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398761671 (or 398761669 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 323211323211220 its reverse (22112323112323), we get a palindrome (345323646323543).

The spelling of 323211323211220 in words is "three hundred twenty-three trillion, two hundred eleven billion, three hundred twenty-three million, two hundred eleven thousand, two hundred twenty".