323212200000 has 336 divisors, whose sum is σ = 1103432375808. Its totient is φ = 83404800000.

The previous prime is 323212199987. The next prime is 323212200011. The reversal of 323212200000 is 2212323.

It is a super-2 number, since 2×323212200000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18591312 + ... + 18608688.

It is an arithmetic number, because the mean of its divisors is an integer number (3284024928).

Almost surely, 2^323212200000 is an apocalyptic number.

323212200000 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 323212200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551716187904).

323212200000 is an abundant number, since it is smaller than the sum of its proper divisors (780220175808).

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

323212200000 is an equidigital number, since it uses as much as digits as its factorization.

323212200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448 (or 17418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 323212200000 its reverse (2212323), we get a palindrome (323214412323).

The spelling of 323212200000 in words is "three hundred twenty-three billion, two hundred twelve million, two hundred thousand".