320432111412 has 96 divisors (see below), whose sum is σ = 861327903744. Its totient is φ = 90819456000.

The previous prime is 320432111401. The next prime is 320432111423. The reversal of 320432111412 is 214111234023.

It is an interprime number because it is at equal distance from previous prime (320432111401) and next prime (320432111423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56700787 + ... + 56706437.

It is an arithmetic number, because the mean of its divisors is an integer number (8972165664).

Almost surely, 2^320432111412 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 320432111412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430663951872).

320432111412 is an abundant number, since it is smaller than the sum of its proper divisors (540895792332).

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

320432111412 is a wasteful number, since it uses less digits than its factorization.

320432111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949 (or 10947 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 320432111412 its reverse (214111234023), we get a palindrome (534543345435).

The spelling of 320432111412 in words is "three hundred twenty billion, four hundred thirty-two million, one hundred eleven thousand, four hundred twelve".