320434012212 has 12 divisors (see below), whose sum is σ = 747679361856. Its totient is φ = 106811337400.

The previous prime is 320434012211. The next prime is 320434012229. The reversal of 320434012212 is 212210434023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320434012211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13351417164 + ... + 13351417187.

It is an arithmetic number, because the mean of its divisors is an integer number (62306613488).

Almost surely, 2^320434012212 is an apocalyptic number.

It is an amenable number.

320434012212 is an abundant number, since it is smaller than the sum of its proper divisors (427245349644).

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

320434012212 is a wasteful number, since it uses less digits than its factorization.

320434012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26702834358 (or 26702834356 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320434012212 its reverse (212210434023), we get a palindrome (532644446235).

The spelling of 320434012212 in words is "three hundred twenty billion, four hundred thirty-four million, twelve thousand, two hundred twelve".