12032231022 has 144 divisors (see below), whose sum is σ = 32012379360. Its totient is φ = 3318501312.

The previous prime is 12032230997. The next prime is 12032231027. The reversal of 12032231022 is 22013223021.

12032231022 is a `hidden beast` number, since 12 + 0 + 322 + 310 + 22 = 666.

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 = 12032230986 and 12032231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032231027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2661508 + ... + 2666024.

It is an arithmetic number, because the mean of its divisors is an integer number (222308190).

Almost surely, 2^12032231022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12032231022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16006189680).

12032231022 is an abundant number, since it is smaller than the sum of its proper divisors (19980148338).

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

12032231022 is an frugal number, since it uses more digits than its factorization.

12032231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4558 counting only the distinct ones).

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

Adding to 12032231022 its reverse (22013223021), we get a palindrome (34045454043).

The spelling of 12032231022 in words is "twelve billion, thirty-two million, two hundred thirty-one thousand, twenty-two".