132302232021 has 4 divisors (see below), whose sum is σ = 176402976032. Its totient is φ = 88201488012.

The previous prime is 132302232019. The next prime is 132302232061. The reversal of 132302232021 is 120232203231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 132302232021 - 2¹ = 132302232019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132302232061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22050372001 + ... + 22050372006.

It is an arithmetic number, because the mean of its divisors is an integer number (44100744008).

Almost surely, 2^132302232021 is an apocalyptic number.

It is an amenable number.

132302232021 is a deficient number, since it is larger than the sum of its proper divisors (44100744011).

132302232021 is an equidigital number, since it uses as much as digits as its factorization.

132302232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44100744010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 132302232021 its reverse (120232203231), we get a palindrome (252534435252).

The spelling of 132302232021 in words is "one hundred thirty-two billion, three hundred two million, two hundred thirty-two thousand, twenty-one".