232012221132 has 12 divisors (see below), whose sum is σ = 541361849336. Its totient is φ = 77337407040.

The previous prime is 232012221109. The next prime is 232012221143. The reversal of 232012221132 is 231122210232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×232012221132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232012221099 and 232012221108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9667175869 + ... + 9667175892.

Almost surely, 2^232012221132 is an apocalyptic number.

It is an amenable number.

232012221132 is an abundant number, since it is smaller than the sum of its proper divisors (309349628204).

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

232012221132 is a wasteful number, since it uses less digits than its factorization.

232012221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19334351768 (or 19334351766 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 232012221132 its reverse (231122210232), we get a palindrome (463134431364).

The spelling of 232012221132 in words is "two hundred thirty-two billion, twelve million, two hundred twenty-one thousand, one hundred thirty-two".