32505212004 has 12 divisors (see below), whose sum is σ = 75845494704. Its totient is φ = 10835070664.

The previous prime is 32505211993. The next prime is 32505212041. The reversal of 32505212004 is 40021250523.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354383822 + ... + 1354383845.

It is an arithmetic number, because the mean of its divisors is an integer number (6320457892).

Almost surely, 2^32505212004 is an apocalyptic number.

It is an amenable number.

32505212004 is an abundant number, since it is smaller than the sum of its proper divisors (43340282700).

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

32505212004 is a wasteful number, since it uses less digits than its factorization.

32505212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708767674 (or 2708767672 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 32505212004 its reverse (40021250523), we get a palindrome (72526462527).

It can be divided in two parts, 3250521 and 2004, that added together give a triangular number (3252525 = T₂₅₅₀).

The spelling of 32505212004 in words is "thirty-two billion, five hundred five million, two hundred twelve thousand, four".