323213211213100 has 144 divisors (see below), whose sum is σ = 766623806248608. Its totient is φ = 117555093596160.

The previous prime is 323213211213077. The next prime is 323213211213103. The reversal of 323213211213100 is 1312112312323.

It is a super-2 number, since 2×323213211213100² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (323213211213103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4174925592 + ... + 4175003008.

It is an arithmetic number, because the mean of its divisors is an integer number (5323776432282).

Almost surely, 2^{323213211213100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323213211213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383311903124304).

323213211213100 is an abundant number, since it is smaller than the sum of its proper divisors (443410595035508).

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

323213211213100 is a wasteful number, since it uses less digits than its factorization.

323213211213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125444 (or 125437 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323213211213100 its reverse (1312112312323), we get a palindrome (324525323525423).

The spelling of 323213211213100 in words is "three hundred twenty-three trillion, two hundred thirteen billion, two hundred eleven million, two hundred thirteen thousand, one hundred".