232120221030 has 48 divisors (see below), whose sum is σ = 604047394080. Its totient is φ = 61843872384.

The previous prime is 232120221023. The next prime is 232120221061. The reversal of 232120221030 is 30122021232.

It is a super-2 number, since 2×232120221030² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 232120220994 and 232120221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040602 + ... + 1243821.

It is an arithmetic number, because the mean of its divisors is an integer number (12584320710).

Almost surely, 2^232120221030 is an apocalyptic number.

232120221030 is an abundant number, since it is smaller than the sum of its proper divisors (371927173050).

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

232120221030 is a wasteful number, since it uses less digits than its factorization.

232120221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285565 (or 2285562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232120221030 its reverse (30122021232), we get a palindrome (262242242262).

The spelling of 232120221030 in words is "two hundred thirty-two billion, one hundred twenty million, two hundred twenty-one thousand, thirty".