12022312331 has 16 divisors (see below), whose sum is σ = 12802593024. Its totient is φ = 11250299904.

The previous prime is 12022312321. The next prime is 12022312349. The reversal of 12022312331 is 13321322021.

It is a cyclic number.

It is not a de Polignac number, because 12022312331 - 2¹⁴ = 12022295947 is a prime.

It is a super-2 number, since 2×12022312331² (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 (12022312321) 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 15 ways as a sum of consecutive naturals, for example, 3416585 + ... + 3420101.

It is an arithmetic number, because the mean of its divisors is an integer number (800162064).

Almost surely, 2^12022312331 is an apocalyptic number.

12022312331 is a deficient number, since it is larger than the sum of its proper divisors (780280693).

12022312331 is a wasteful number, since it uses less digits than its factorization.

12022312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630.

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

Adding to 12022312331 its reverse (13321322021), we get a palindrome (25343634352).

The spelling of 12022312331 in words is "twelve billion, twenty-two million, three hundred twelve thousand, three hundred thirty-one".