320013222132 has 12 divisors (see below), whose sum is σ = 746697518336. Its totient is φ = 106671074040.

The previous prime is 320013222131. The next prime is 320013222143. The reversal of 320013222132 is 231222310023.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 320013222099 and 320013222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320013222131) 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, 13333884244 + ... + 13333884267.

Almost surely, 2^320013222132 is an apocalyptic number.

It is an amenable number.

320013222132 is an abundant number, since it is smaller than the sum of its proper divisors (426684296204).

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

320013222132 is a wasteful number, since it uses less digits than its factorization.

320013222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667768518 (or 26667768516 counting only the distinct ones).

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

Adding to 320013222132 its reverse (231222310023), we get a palindrome (551235532155).

The spelling of 320013222132 in words is "three hundred twenty billion, thirteen million, two hundred twenty-two thousand, one hundred thirty-two".