321032202312 has 64 divisors (see below), whose sum is σ = 816496776000. Its totient is φ = 105156624384.

The previous prime is 321032202299. The next prime is 321032202313. The reversal of 321032202312 is 213202230123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321032202313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765468 + ... + 3849780.

It is an arithmetic number, because the mean of its divisors is an integer number (12757762125).

Almost surely, 2^321032202312 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 321032202312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408248388000).

321032202312 is an abundant number, since it is smaller than the sum of its proper divisors (495464573688).

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

321032202312 is a wasteful number, since it uses less digits than its factorization.

321032202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87070 (or 87066 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 321032202312 its reverse (213202230123), we get a palindrome (534234432435).

The spelling of 321032202312 in words is "three hundred twenty-one billion, thirty-two million, two hundred two thousand, three hundred twelve".