232332012221 has 4 divisors (see below), whose sum is σ = 234161398272. Its totient is φ = 230502626172.

The previous prime is 232332012203. The next prime is 232332012229. The reversal of 232332012221 is 122210233232.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232332012221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232332012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914692835 + ... + 914693088.

It is an arithmetic number, because the mean of its divisors is an integer number (58540349568).

Almost surely, 2^232332012221 is an apocalyptic number.

It is an amenable number.

232332012221 is a deficient number, since it is larger than the sum of its proper divisors (1829386051).

232332012221 is a wasteful number, since it uses less digits than its factorization.

232332012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829386050.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 232332012221 its reverse (122210233232), we get a palindrome (354542245453).

The spelling of 232332012221 in words is "two hundred thirty-two billion, three hundred thirty-two million, twelve thousand, two hundred twenty-one".