132012321 has 48 divisors (see below), whose sum is σ = 214228800. Its totient is φ = 72008832.

The previous prime is 132012301. The next prime is 132012343. The reversal of 132012321 is 123210231.

It is not a de Polignac number, because 132012321 - 2⁹ = 132011809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132012321.

It is not an unprimeable number, because it can be changed into a prime (132012301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 737410 + ... + 737588.

It is an arithmetic number, because the mean of its divisors is an integer number (4463100).

Almost surely, 2^132012321 is an apocalyptic number.

It is an amenable number.

132012321 is a deficient number, since it is larger than the sum of its proper divisors (82216479).

132012321 is a wasteful number, since it uses less digits than its factorization.

132012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 132012321 is about 11489.6614832640. The cubic root of 132012321 is about 509.1801784271.

Adding to 132012321 its reverse (123210231), we get a palindrome (255222552).

The spelling of 132012321 in words is "one hundred thirty-two million, twelve thousand, three hundred twenty-one".