32020320012 has 24 divisors (see below), whose sum is σ = 79109026416. Its totient is φ = 10045590528.

The previous prime is 32020319987. The next prime is 32020320049. The reversal of 32020320012 is 21002302023.

It is a junction number, because it is equal to n+sod(n) for n = 32020319973 and 32020320000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78480973 + ... + 78481380.

It is an arithmetic number, because the mean of its divisors is an integer number (3296209434).

Almost surely, 2^32020320012 is an apocalyptic number.

It is an amenable number.

32020320012 is an abundant number, since it is smaller than the sum of its proper divisors (47088706404).

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

32020320012 is a wasteful number, since it uses less digits than its factorization.

32020320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156962377 (or 156962375 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 32020320012 its reverse (21002302023), we get a palindrome (53022622035).

The spelling of 32020320012 in words is "thirty-two billion, twenty million, three hundred twenty thousand, twelve".