232121233120 has 96 divisors (see below), whose sum is σ = 629111121408. Its totient is φ = 79281719808.

The previous prime is 232121233063. The next prime is 232121233147. The reversal of 232121233120 is 21332121232.

It is a junction number, because it is equal to n+sod(n) for n = 232121233091 and 232121233100.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 99454 + ... + 688573.

It is an arithmetic number, because the mean of its divisors is an integer number (6553240848).

Almost surely, 2^232121233120 is an apocalyptic number.

232121233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232121233120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314555560704).

232121233120 is an abundant number, since it is smaller than the sum of its proper divisors (396989888288).

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

232121233120 is a wasteful number, since it uses less digits than its factorization.

232121233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788312 (or 788304 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232121233120 its reverse (21332121232), we get a palindrome (253453354352).

The spelling of 232121233120 in words is "two hundred thirty-two billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty".