12212243331 has 16 divisors (see below), whose sum is σ = 17731027200. Its totient is φ = 7447029408.

The previous prime is 12212243327. The next prime is 12212243333. The reversal of 12212243331 is 13334221221.

12212243331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12212243331 - 2² = 12212243327 is a prime.

It is a super-2 number, since 2×12212243331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212243333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3692311 + ... + 3695616.

It is an arithmetic number, because the mean of its divisors is an integer number (1108189200).

Almost surely, 2^12212243331 is an apocalyptic number.

12212243331 is a deficient number, since it is larger than the sum of its proper divisors (5518783869).

12212243331 is a wasteful number, since it uses less digits than its factorization.

12212243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387978.

The product of its digits is 1728, while the sum is 24.

Adding to 12212243331 its reverse (13334221221), we get a palindrome (25546464552).

The spelling of 12212243331 in words is "twelve billion, two hundred twelve million, two hundred forty-three thousand, three hundred thirty-one".