12212032230 has 80 divisors (see below), whose sum is σ = 32992884144. Its totient is φ = 3241062720.

The previous prime is 12212032219. The next prime is 12212032267. The reversal of 12212032230 is 3223021221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135184 + ... + 206636.

Almost surely, 2^12212032230 is an apocalyptic number.

12212032230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212032230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16496442072).

12212032230 is an abundant number, since it is smaller than the sum of its proper divisors (20780851914).

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

12212032230 is a wasteful number, since it uses less digits than its factorization.

12212032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71683 (or 71674 counting only the distinct ones).

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

Adding to 12212032230 its reverse (3223021221), we get a palindrome (15435053451).

The spelling of 12212032230 in words is "twelve billion, two hundred twelve million, thirty-two thousand, two hundred thirty".