32003322012 has 72 divisors (see below), whose sum is σ = 83741548800. Its totient is φ = 10293187968.

The previous prime is 32003321971. The next prime is 32003322083. The reversal of 32003322012 is 21022330023.

It is a happy number.

32003322012 is a `hidden beast` number, since 320 + 0 + 332 + 2 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1733253 + ... + 1751619.

Almost surely, 2^32003322012 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 32003322012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41870774400).

32003322012 is an abundant number, since it is smaller than the sum of its proper divisors (51738226788).

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

32003322012 is a wasteful number, since it uses less digits than its factorization.

32003322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075 (or 20070 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32003322012 its reverse (21022330023), we get a palindrome (53025652035).

The spelling of 32003322012 in words is "thirty-two billion, three million, three hundred twenty-two thousand, twelve".