12213343155443 has 16 divisors (see below), whose sum is σ = 12862910522880. Its totient is φ = 11564453068704.

The previous prime is 12213343155437. The next prime is 12213343155451. The reversal of 12213343155443 is 34455134331221.

It is a cyclic number.

It is not a de Polignac number, because 12213343155443 - 2¹⁸ = 12213342893299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213343155443.

It is not an unprimeable number, because it can be changed into a prime (12213343185443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554813105 + ... + 554835117.

It is an arithmetic number, because the mean of its divisors is an integer number (803931907680).

Almost surely, 2^{12213343155443} is an apocalyptic number.

12213343155443 is a deficient number, since it is larger than the sum of its proper divisors (649567367437).

12213343155443 is a wasteful number, since it uses less digits than its factorization.

12213343155443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36058.

The product of its digits is 518400, while the sum is 41.

Adding to 12213343155443 its reverse (34455134331221), we get a palindrome (46668477486664).

The spelling of 12213343155443 in words is "twelve trillion, two hundred thirteen billion, three hundred forty-three million, one hundred fifty-five thousand, four hundred forty-three".