323211000000000 has 800 divisors, whose sum is σ = 1230157374031872. Its totient is φ = 73872000000000.

The previous prime is 323210999999969. The next prime is 323211000000011. The reversal of 323211000000000 is 112323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20999992305 + ... + 21000007695.

Almost surely, 2^{323211000000000} is an apocalyptic number.

323211000000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323211000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615078687015936).

323211000000000 is an abundant number, since it is smaller than the sum of its proper divisors (906946374031872).

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

323211000000000 is an frugal number, since it uses more digits than its factorization.

323211000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464 (or 15408 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 323211000000000 its reverse (112323), we get a palindrome (323211000112323).

The spelling of 323211000000000 in words is "three hundred twenty-three trillion, two hundred eleven billion", and thus it is an aban number.