32210040012 has 96 divisors (see below), whose sum is σ = 83057897664. Its totient is φ = 9672499200.

The previous prime is 32210039999. The next prime is 32210040017. The reversal of 32210040012 is 21004001223.

It is a junction number, because it is equal to n+sod(n) for n = 32210039973 and 32210040000.

It is not an unprimeable number, because it can be changed into a prime (32210040017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406962 + ... + 479622.

It is an arithmetic number, because the mean of its divisors is an integer number (865186434).

Almost surely, 2^32210040012 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 32210040012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41528948832).

32210040012 is an abundant number, since it is smaller than the sum of its proper divisors (50847857652).

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

32210040012 is a wasteful number, since it uses less digits than its factorization.

32210040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72779 (or 72777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32210040012 its reverse (21004001223), we get a palindrome (53214041235).

The spelling of 32210040012 in words is "thirty-two billion, two hundred ten million, forty thousand, twelve".