12211111210223 has 8 divisors (see below), whose sum is σ = 12630901032960. Its totient is φ = 11792939075640.

The previous prime is 12211111210189. The next prime is 12211111210247. The reversal of 12211111210223 is 32201211111221.

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

It is a cyclic number.

It is not a de Polignac number, because 12211111210223 - 2²⁶ = 12211044101359 is a prime.

It is a super-2 number, since 2×12211111210223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211111210195 and 12211111210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211111210273) 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, 404406683 + ... + 404436876.

It is an arithmetic number, because the mean of its divisors is an integer number (1578862629120).

Almost surely, 2^{12211111210223} is an apocalyptic number.

12211111210223 is a deficient number, since it is larger than the sum of its proper divisors (419789822737).

12211111210223 is an equidigital number, since it uses as much as digits as its factorization.

12211111210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808844077.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12211111210223 its reverse (32201211111221), we get a palindrome (44412322321444).

The spelling of 12211111210223 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-three".