32004032312 has 64 divisors (see below), whose sum is σ = 72655626240. Its totient is φ = 12901824000.

The previous prime is 32004032297. The next prime is 32004032321. The reversal of 32004032312 is 21323040023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848737 + ... + 1865967.

It is an arithmetic number, because the mean of its divisors is an integer number (1135244160).

Almost surely, 2^32004032312 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 32004032312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36327813120).

32004032312 is an abundant number, since it is smaller than the sum of its proper divisors (40651593928).

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

32004032312 is a wasteful number, since it uses less digits than its factorization.

32004032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212 (or 19208 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32004032312 its reverse (21323040023), we get a palindrome (53327072335).

The spelling of 32004032312 in words is "thirty-two billion, four million, thirty-two thousand, three hundred twelve".