12122303231 has 8 divisors (see below), whose sum is σ = 12194473200. Its totient is φ = 12050190720.

The previous prime is 12122303201. The next prime is 12122303243. The reversal of 12122303231 is 13230322121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122303231 - 2²⁶ = 12055194367 is a prime.

It is a super-2 number, since 2×12122303231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122303201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453815 + ... + 479783.

It is an arithmetic number, because the mean of its divisors is an integer number (1524309150).

Almost surely, 2^12122303231 is an apocalyptic number.

12122303231 is a deficient number, since it is larger than the sum of its proper divisors (72169969).

12122303231 is a wasteful number, since it uses less digits than its factorization.

12122303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28729.

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

Adding to 12122303231 its reverse (13230322121), we get a palindrome (25352625352).

The spelling of 12122303231 in words is "twelve billion, one hundred twenty-two million, three hundred three thousand, two hundred thirty-one".