12022310331 has 8 divisors (see below), whose sum is σ = 17810830160. Its totient is φ = 8014873536.

The previous prime is 12022310329. The next prime is 12022310357. The reversal of 12022310331 is 13301322021.

12022310331 is a `hidden beast` number, since 1 + 2 + 0 + 22 + 310 + 331 = 666.

It is not a de Polignac number, because 12022310331 - 2¹ = 12022310329 is a prime.

It is a super-2 number, since 2×12022310331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022310831) 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, 222635350 + ... + 222635403.

It is an arithmetic number, because the mean of its divisors is an integer number (2226353770).

Almost surely, 2^12022310331 is an apocalyptic number.

12022310331 is a deficient number, since it is larger than the sum of its proper divisors (5788519829).

12022310331 is an equidigital number, since it uses as much as digits as its factorization.

12022310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445270762 (or 445270756 counting only the distinct ones).

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

Adding to 12022310331 its reverse (13301322021), we get a palindrome (25323632352).

The spelling of 12022310331 in words is "twelve billion, twenty-two million, three hundred ten thousand, three hundred thirty-one".