12210230331 has 32 divisors (see below), whose sum is σ = 20626643520. Its totient is φ = 7071985152.

The previous prime is 12210230327. The next prime is 12210230339. The reversal of 12210230331 is 13303201221.

It is not a de Polignac number, because 12210230331 - 2² = 12210230327 is a prime.

It is a super-2 number, since 2×12210230331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210230339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017180 + ... + 1029113.

It is an arithmetic number, because the mean of its divisors is an integer number (644582610).

Almost surely, 2^12210230331 is an apocalyptic number.

12210230331 is a deficient number, since it is larger than the sum of its proper divisors (8416413189).

12210230331 is a wasteful number, since it uses less digits than its factorization.

12210230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046332 (or 2046326 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12210230331 its reverse (13303201221), we get a palindrome (25513431552).

The spelling of 12210230331 in words is "twelve billion, two hundred ten million, two hundred thirty thousand, three hundred thirty-one".