12213333022231 has 32 divisors (see below), whose sum is σ = 13934376124416. Its totient is φ = 10607882796000.

The previous prime is 12213333022201. The next prime is 12213333022309. The reversal of 12213333022231 is 13222033331221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12213333022231 - 2⁷ = 12213333022103 is a prime.

It is a super-2 number, since 2×12213333022231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12213333022231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213333022201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2833246 + ... + 5696836.

It is an arithmetic number, because the mean of its divisors is an integer number (435449253888).

Almost surely, 2^{12213333022231} is an apocalyptic number.

12213333022231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213333022231 is a deficient number, since it is larger than the sum of its proper divisors (1721043102185).

12213333022231 is a wasteful number, since it uses less digits than its factorization.

12213333022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863843.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12213333022231 its reverse (13222033331221), we get a palindrome (25435366353452).

The spelling of 12213333022231 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-three million, twenty-two thousand, two hundred thirty-one".