32001213132 has 192 divisors, whose sum is σ = 98343705600. Its totient is φ = 8804920320.

The previous prime is 32001213077. The next prime is 32001213157. The reversal of 32001213132 is 23131210023.

32001213132 is a `hidden beast` number, since 320 + 0 + 1 + 213 + 132 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9491407 + ... + 9494777.

It is an arithmetic number, because the mean of its divisors is an integer number (512206800).

Almost surely, 2^32001213132 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 32001213132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49171852800).

32001213132 is an abundant number, since it is smaller than the sum of its proper divisors (66342492468).

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

32001213132 is a wasteful number, since it uses less digits than its factorization.

32001213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32001213132 its reverse (23131210023), we get a palindrome (55132423155).

The spelling of 32001213132 in words is "thirty-two billion, one million, two hundred thirteen thousand, one hundred thirty-two".