12223434111211 has 8 divisors (see below), whose sum is σ = 12577372522704. Its totient is φ = 11874062647200.

The previous prime is 12223434111191. The next prime is 12223434111221. The reversal of 12223434111211 is 11211143432221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223434111211 is a prime.

It is a super-2 number, since 2×12223434111211² (a number of 27 digits) contains 22 as substring.

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 12223434111211.

It is not an unprimeable number, because it can be changed into a prime (12223434111221) 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, 1141731441 + ... + 1141742146.

It is an arithmetic number, because the mean of its divisors is an integer number (1572171565338).

Almost surely, 2^{12223434111211} is an apocalyptic number.

12223434111211 is a deficient number, since it is larger than the sum of its proper divisors (353938411493).

12223434111211 is a wasteful number, since it uses less digits than its factorization.

12223434111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283473741.

The product of its digits is 2304, while the sum is 28.

Adding to 12223434111211 its reverse (11211143432221), we get a palindrome (23434577543432).

The spelling of 12223434111211 in words is "twelve trillion, two hundred twenty-three billion, four hundred thirty-four million, one hundred eleven thousand, two hundred eleven".