32120022132 has 36 divisors (see below), whose sum is σ = 88573395456. Its totient is φ = 9733339920.

The previous prime is 32120022113. The next prime is 32120022149. The reversal of 32120022132 is 23122002123.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 40555188 + ... + 40555979.

It is an arithmetic number, because the mean of its divisors is an integer number (2460372096).

Almost surely, 2^32120022132 is an apocalyptic number.

It is an amenable number.

32120022132 is an abundant number, since it is smaller than the sum of its proper divisors (56453373324).

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

32120022132 is a wasteful number, since it uses less digits than its factorization.

32120022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81111188 (or 81111183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32120022132 its reverse (23122002123), we get a palindrome (55242024255).

The spelling of 32120022132 in words is "thirty-two billion, one hundred twenty million, twenty-two thousand, one hundred thirty-two".