12231213230 has 8 divisors (see below), whose sum is σ = 22016183832. Its totient is φ = 4892485288.

The previous prime is 12231213187. The next prime is 12231213233. The reversal of 12231213230 is 3231213221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231213233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611560652 + ... + 611560671.

It is an arithmetic number, because the mean of its divisors is an integer number (2752022979).

Almost surely, 2^12231213230 is an apocalyptic number.

12231213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231213230 is a deficient number, since it is larger than the sum of its proper divisors (9784970602).

12231213230 is a wasteful number, since it uses less digits than its factorization.

12231213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223121330.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12231213230 its reverse (3231213221), we get a palindrome (15462426451).

Subtracting from 12231213230 its reverse (3231213221), we obtain a palindrome (9000000009).

The spelling of 12231213230 in words is "twelve billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty".